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Finding the Fourth Proportional to 96,338.67, 132,992 and 56,037.75

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Solution

The fourth proportional to 96,338.67, 132,992 and 56,037.75 is: 77,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,338.67 : 132,992 = 56,037.75 : x
  2. Step 2: Convert to fraction form
    96,338.67/132,992 = 56,037.75/x
  3. Step 3: Cross multiply
    96,338.67x = 132,992 × 56,037.75
  4. Step 4: Simplify right side
    96,338.67x = 7,452,572,448
  5. Step 5: Solve for x
    x = 7,452,572,448/96,338.67
  6. Step 6: Final answer
    x = 77,358.06

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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.