Home / 87,001.61-120,070.64-48,767.64

Finding the Fourth Proportional to 87,001.61, 120,070.64 and 48,767.64

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Solution

The fourth proportional to 87,001.61, 120,070.64 and 48,767.64 is: 67,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.61 : 120,070.64 = 48,767.64 : x
  2. Step 2: Convert to fraction form
    87,001.61/120,070.64 = 48,767.64/x
  3. Step 3: Cross multiply
    87,001.61x = 120,070.64 × 48,767.64
  4. Step 4: Simplify right side
    87,001.61x = 5,855,561,502.25
  5. Step 5: Solve for x
    x = 5,855,561,502.25/87,001.61
  6. Step 6: Final answer
    x = 67,304.06

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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.