Home / 88,565.68-132,822.60-72,944.56

Finding the Fourth Proportional to 88,565.68, 132,822.60 and 72,944.56

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Solution

The fourth proportional to 88,565.68, 132,822.60 and 72,944.56 is: 109,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,565.68 : 132,822.60 = 72,944.56 : x
  2. Step 2: Convert to fraction form
    88,565.68/132,822.60 = 72,944.56/x
  3. Step 3: Cross multiply
    88,565.68x = 132,822.60 × 72,944.56
  4. Step 4: Simplify right side
    88,565.68x = 9,688,686,115.06
  5. Step 5: Solve for x
    x = 9,688,686,115.06/88,565.68
  6. Step 6: Final answer
    x = 109,395.49

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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.