Home / 87,330.83-120,476.97-51,504.12

Finding the Fourth Proportional to 87,330.83, 120,476.97 and 51,504.12

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Solution

The fourth proportional to 87,330.83, 120,476.97 and 51,504.12 is: 71,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,330.83 : 120,476.97 = 51,504.12 : x
  2. Step 2: Convert to fraction form
    87,330.83/120,476.97 = 51,504.12/x
  3. Step 3: Cross multiply
    87,330.83x = 120,476.97 × 51,504.12
  4. Step 4: Simplify right side
    87,330.83x = 6,205,060,320.12
  5. Step 5: Solve for x
    x = 6,205,060,320.12/87,330.83
  6. Step 6: Final answer
    x = 71,052.35

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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.