Home / 45,396.10-68,094.16-12,116.28

Finding the Fourth Proportional to 45,396.10, 68,094.16 and 12,116.28

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Solution

The fourth proportional to 45,396.10, 68,094.16 and 12,116.28 is: 18,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396.10 : 68,094.16 = 12,116.28 : x
  2. Step 2: Convert to fraction form
    45,396.10/68,094.16 = 12,116.28/x
  3. Step 3: Cross multiply
    45,396.10x = 68,094.16 × 12,116.28
  4. Step 4: Simplify right side
    45,396.10x = 825,047,908.92
  5. Step 5: Solve for x
    x = 825,047,908.92/45,396.10
  6. Step 6: Final answer
    x = 18,174.42

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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.