Home / 90,073.29-124,288.45-51,312.14

Finding the Fourth Proportional to 90,073.29, 124,288.45 and 51,312.14

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Solution

The fourth proportional to 90,073.29, 124,288.45 and 51,312.14 is: 70,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,073.29 : 124,288.45 = 51,312.14 : x
  2. Step 2: Convert to fraction form
    90,073.29/124,288.45 = 51,312.14/x
  3. Step 3: Cross multiply
    90,073.29x = 124,288.45 × 51,312.14
  4. Step 4: Simplify right side
    90,073.29x = 6,377,505,641.42
  5. Step 5: Solve for x
    x = 6,377,505,641.42/90,073.29
  6. Step 6: Final answer
    x = 70,803.51

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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.