Home / 88,386.28-132,601.02-72,617.92

Finding the Fourth Proportional to 88,386.28, 132,601.02 and 72,617.92

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Solution

The fourth proportional to 88,386.28, 132,601.02 and 72,617.92 is: 108,944.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,386.28 : 132,601.02 = 72,617.92 : x
  2. Step 2: Convert to fraction form
    88,386.28/132,601.02 = 72,617.92/x
  3. Step 3: Cross multiply
    88,386.28x = 132,601.02 × 72,617.92
  4. Step 4: Simplify right side
    88,386.28x = 9,629,210,262.28
  5. Step 5: Solve for x
    x = 9,629,210,262.28/88,386.28
  6. Step 6: Final answer
    x = 108,944.63

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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.