Home / 63,915.89-88,363.34-47,972.66

Finding the Fourth Proportional to 63,915.89, 88,363.34 and 47,972.66

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Solution

The fourth proportional to 63,915.89, 88,363.34 and 47,972.66 is: 66,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,915.89 : 88,363.34 = 47,972.66 : x
  2. Step 2: Convert to fraction form
    63,915.89/88,363.34 = 47,972.66/x
  3. Step 3: Cross multiply
    63,915.89x = 88,363.34 × 47,972.66
  4. Step 4: Simplify right side
    63,915.89x = 4,239,023,964.50
  5. Step 5: Solve for x
    x = 4,239,023,964.50/63,915.89
  6. Step 6: Final answer
    x = 66,321.92

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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.