Home / 47,642.20-71,463.30-45,374.55

Finding the Fourth Proportional to 47,642.20, 71,463.30 and 45,374.55

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Solution

The fourth proportional to 47,642.20, 71,463.30 and 45,374.55 is: 68,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,642.20 : 71,463.30 = 45,374.55 : x
  2. Step 2: Convert to fraction form
    47,642.20/71,463.30 = 45,374.55/x
  3. Step 3: Cross multiply
    47,642.20x = 71,463.30 × 45,374.55
  4. Step 4: Simplify right side
    47,642.20x = 3,242,615,435.27
  5. Step 5: Solve for x
    x = 3,242,615,435.27/47,642.20
  6. Step 6: Final answer
    x = 68,061.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.