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Finding the Fourth Proportional to 63,233.76, 87,262.56 and 34,939.20

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Solution

The fourth proportional to 63,233.76, 87,262.56 and 34,939.20 is: 48,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,233.76 : 87,262.56 = 34,939.20 : x
  2. Step 2: Convert to fraction form
    63,233.76/87,262.56 = 34,939.20/x
  3. Step 3: Cross multiply
    63,233.76x = 87,262.56 × 34,939.20
  4. Step 4: Simplify right side
    63,233.76x = 3,048,884,036.35
  5. Step 5: Solve for x
    x = 3,048,884,036.35/63,233.76
  6. Step 6: Final answer
    x = 48,216.08

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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.