Home / 96,019.40-132,569.19-85,930.50

Finding the Fourth Proportional to 96,019.40, 132,569.19 and 85,930.50

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Solution

The fourth proportional to 96,019.40, 132,569.19 and 85,930.50 is: 118,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,019.40 : 132,569.19 = 85,930.50 : x
  2. Step 2: Convert to fraction form
    96,019.40/132,569.19 = 85,930.50/x
  3. Step 3: Cross multiply
    96,019.40x = 132,569.19 × 85,930.50
  4. Step 4: Simplify right side
    96,019.40x = 11,391,736,781.30
  5. Step 5: Solve for x
    x = 11,391,736,781.30/96,019.40
  6. Step 6: Final answer
    x = 118,639.96

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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.