Home / 52,254.42-72,111.96-28,381.12

Finding the Fourth Proportional to 52,254.42, 72,111.96 and 28,381.12

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Solution

The fourth proportional to 52,254.42, 72,111.96 and 28,381.12 is: 39,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,254.42 : 72,111.96 = 28,381.12 : x
  2. Step 2: Convert to fraction form
    52,254.42/72,111.96 = 28,381.12/x
  3. Step 3: Cross multiply
    52,254.42x = 72,111.96 × 28,381.12
  4. Step 4: Simplify right side
    52,254.42x = 2,046,618,190.20
  5. Step 5: Solve for x
    x = 2,046,618,190.20/52,254.42
  6. Step 6: Final answer
    x = 39,166.41

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.