Home / 87,424.98-120,646.29-49,184.58

Finding the Fourth Proportional to 87,424.98, 120,646.29 and 49,184.58

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Solution

The fourth proportional to 87,424.98, 120,646.29 and 49,184.58 is: 67,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,424.98 : 120,646.29 = 49,184.58 : x
  2. Step 2: Convert to fraction form
    87,424.98/120,646.29 = 49,184.58/x
  3. Step 3: Cross multiply
    87,424.98x = 120,646.29 × 49,184.58
  4. Step 4: Simplify right side
    87,424.98x = 5,933,937,102.21
  5. Step 5: Solve for x
    x = 5,933,937,102.21/87,424.98
  6. Step 6: Final answer
    x = 67,874.62

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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.