Home / 96,321.40-132,976.02-58,087.78

Finding the Fourth Proportional to 96,321.40, 132,976.02 and 58,087.78

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Solution

The fourth proportional to 96,321.40, 132,976.02 and 58,087.78 is: 80,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,321.40 : 132,976.02 = 58,087.78 : x
  2. Step 2: Convert to fraction form
    96,321.40/132,976.02 = 58,087.78/x
  3. Step 3: Cross multiply
    96,321.40x = 132,976.02 × 58,087.78
  4. Step 4: Simplify right side
    96,321.40x = 7,724,281,795.04
  5. Step 5: Solve for x
    x = 7,724,281,795.04/96,321.40
  6. Step 6: Final answer
    x = 80,192.79

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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.