Home / 115,591.50-159,516.45-62,599.50

Finding the Fourth Proportional to 115,591.50, 159,516.45 and 62,599.50

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Solution

The fourth proportional to 115,591.50, 159,516.45 and 62,599.50 is: 86,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,591.50 : 159,516.45 = 62,599.50 : x
  2. Step 2: Convert to fraction form
    115,591.50/159,516.45 = 62,599.50/x
  3. Step 3: Cross multiply
    115,591.50x = 159,516.45 × 62,599.50
  4. Step 4: Simplify right side
    115,591.50x = 9,985,650,011.78
  5. Step 5: Solve for x
    x = 9,985,650,011.78/115,591.50
  6. Step 6: Final answer
    x = 86,387.41

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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.