Home / 70,774.20-97,657.25-40,553.71

Finding the Fourth Proportional to 70,774.20, 97,657.25 and 40,553.71

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Solution

The fourth proportional to 70,774.20, 97,657.25 and 40,553.71 is: 55,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,774.20 : 97,657.25 = 40,553.71 : x
  2. Step 2: Convert to fraction form
    70,774.20/97,657.25 = 40,553.71/x
  3. Step 3: Cross multiply
    70,774.20x = 97,657.25 × 40,553.71
  4. Step 4: Simplify right side
    70,774.20x = 3,960,363,348.99
  5. Step 5: Solve for x
    x = 3,960,363,348.99/70,774.20
  6. Step 6: Final answer
    x = 55,957.73

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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.