Home / 77,081.34-115,551.90-29,666.16

Finding the Fourth Proportional to 77,081.34, 115,551.90 and 29,666.16

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Solution

The fourth proportional to 77,081.34, 115,551.90 and 29,666.16 is: 44,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,081.34 : 115,551.90 = 29,666.16 : x
  2. Step 2: Convert to fraction form
    77,081.34/115,551.90 = 29,666.16/x
  3. Step 3: Cross multiply
    77,081.34x = 115,551.90 × 29,666.16
  4. Step 4: Simplify right side
    77,081.34x = 3,427,981,153.70
  5. Step 5: Solve for x
    x = 3,427,981,153.70/77,081.34
  6. Step 6: Final answer
    x = 44,472.26

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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.