Home / 71,366.20-106,934.10-59,615.80

Finding the Fourth Proportional to 71,366.20, 106,934.10 and 59,615.80

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Solution

The fourth proportional to 71,366.20, 106,934.10 and 59,615.80 is: 89,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.20 : 106,934.10 = 59,615.80 : x
  2. Step 2: Convert to fraction form
    71,366.20/106,934.10 = 59,615.80/x
  3. Step 3: Cross multiply
    71,366.20x = 106,934.10 × 59,615.80
  4. Step 4: Simplify right side
    71,366.20x = 6,374,961,918.78
  5. Step 5: Solve for x
    x = 6,374,961,918.78/71,366.20
  6. Step 6: Final answer
    x = 89,327.47

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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.