Home / 112,432.72-168,630.60-40,370.71

Finding the Fourth Proportional to 112,432.72, 168,630.60 and 40,370.71

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Solution

The fourth proportional to 112,432.72, 168,630.60 and 40,370.71 is: 60,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,432.72 : 168,630.60 = 40,370.71 : x
  2. Step 2: Convert to fraction form
    112,432.72/168,630.60 = 40,370.71/x
  3. Step 3: Cross multiply
    112,432.72x = 168,630.60 × 40,370.71
  4. Step 4: Simplify right side
    112,432.72x = 6,807,737,049.73
  5. Step 5: Solve for x
    x = 6,807,737,049.73/112,432.72
  6. Step 6: Final answer
    x = 60,549.43

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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.