Home / 63,432.24-87,496.84-40,800.72

Finding the Fourth Proportional to 63,432.24, 87,496.84 and 40,800.72

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Solution

The fourth proportional to 63,432.24, 87,496.84 and 40,800.72 is: 56,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,432.24 : 87,496.84 = 40,800.72 : x
  2. Step 2: Convert to fraction form
    63,432.24/87,496.84 = 40,800.72/x
  3. Step 3: Cross multiply
    63,432.24x = 87,496.84 × 40,800.72
  4. Step 4: Simplify right side
    63,432.24x = 3,569,934,069.72
  5. Step 5: Solve for x
    x = 3,569,934,069.72/63,432.24
  6. Step 6: Final answer
    x = 56,279.49

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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.