Home / 63,138.42-94,708.31-16,391.30

Finding the Fourth Proportional to 63,138.42, 94,708.31 and 16,391.30

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Solution

The fourth proportional to 63,138.42, 94,708.31 and 16,391.30 is: 24,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,138.42 : 94,708.31 = 16,391.30 : x
  2. Step 2: Convert to fraction form
    63,138.42/94,708.31 = 16,391.30/x
  3. Step 3: Cross multiply
    63,138.42x = 94,708.31 × 16,391.30
  4. Step 4: Simplify right side
    63,138.42x = 1,552,391,766.20
  5. Step 5: Solve for x
    x = 1,552,391,766.20/63,138.42
  6. Step 6: Final answer
    x = 24,587.12

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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.