Home / 87,332.08-120,514.80-49,602.16

Finding the Fourth Proportional to 87,332.08, 120,514.80 and 49,602.16

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Solution

The fourth proportional to 87,332.08, 120,514.80 and 49,602.16 is: 68,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332.08 : 120,514.80 = 49,602.16 : x
  2. Step 2: Convert to fraction form
    87,332.08/120,514.80 = 49,602.16/x
  3. Step 3: Cross multiply
    87,332.08x = 120,514.80 × 49,602.16
  4. Step 4: Simplify right side
    87,332.08x = 5,977,794,391.97
  5. Step 5: Solve for x
    x = 5,977,794,391.97/87,332.08
  6. Step 6: Final answer
    x = 68,449.01

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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.