Home / 45,446.10-68,170.10-12,166.13

Finding the Fourth Proportional to 45,446.10, 68,170.10 and 12,166.13

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Solution

The fourth proportional to 45,446.10, 68,170.10 and 12,166.13 is: 18,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,446.10 : 68,170.10 = 12,166.13 : x
  2. Step 2: Convert to fraction form
    45,446.10/68,170.10 = 12,166.13/x
  3. Step 3: Cross multiply
    45,446.10x = 68,170.10 × 12,166.13
  4. Step 4: Simplify right side
    45,446.10x = 829,365,897.03
  5. Step 5: Solve for x
    x = 829,365,897.03/45,446.10
  6. Step 6: Final answer
    x = 18,249.44

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.