Home / 87,424.95-120,646.26-49,184.55

Finding the Fourth Proportional to 87,424.95, 120,646.26 and 49,184.55

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Solution

The fourth proportional to 87,424.95, 120,646.26 and 49,184.55 is: 67,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,424.95 : 120,646.26 = 49,184.55 : x
  2. Step 2: Convert to fraction form
    87,424.95/120,646.26 = 49,184.55/x
  3. Step 3: Cross multiply
    87,424.95x = 120,646.26 × 49,184.55
  4. Step 4: Simplify right side
    87,424.95x = 5,933,932,007.28
  5. Step 5: Solve for x
    x = 5,933,932,007.28/87,424.95
  6. Step 6: Final answer
    x = 67,874.58

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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.