Home / 92,456.20-138,684.30-62,931.70

Finding the Fourth Proportional to 92,456.20, 138,684.30 and 62,931.70

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Solution

The fourth proportional to 92,456.20, 138,684.30 and 62,931.70 is: 94,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,456.20 : 138,684.30 = 62,931.70 : x
  2. Step 2: Convert to fraction form
    92,456.20/138,684.30 = 62,931.70/x
  3. Step 3: Cross multiply
    92,456.20x = 138,684.30 × 62,931.70
  4. Step 4: Simplify right side
    92,456.20x = 8,727,638,762.31
  5. Step 5: Solve for x
    x = 8,727,638,762.31/92,456.20
  6. Step 6: Final answer
    x = 94,397.55

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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.