Home / 63,432.55-87,494.71-40,800.18

Finding the Fourth Proportional to 63,432.55, 87,494.71 and 40,800.18

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Solution

The fourth proportional to 63,432.55, 87,494.71 and 40,800.18 is: 56,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,432.55 : 87,494.71 = 40,800.18 : x
  2. Step 2: Convert to fraction form
    63,432.55/87,494.71 = 40,800.18/x
  3. Step 3: Cross multiply
    63,432.55x = 87,494.71 × 40,800.18
  4. Step 4: Simplify right side
    63,432.55x = 3,569,799,713.05
  5. Step 5: Solve for x
    x = 3,569,799,713.05/63,432.55
  6. Step 6: Final answer
    x = 56,277.10

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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.