Home / 96,712.80-145,067.28-63,641.76

Finding the Fourth Proportional to 96,712.80, 145,067.28 and 63,641.76

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Solution

The fourth proportional to 96,712.80, 145,067.28 and 63,641.76 is: 95,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,712.80 : 145,067.28 = 63,641.76 : x
  2. Step 2: Convert to fraction form
    96,712.80/145,067.28 = 63,641.76/x
  3. Step 3: Cross multiply
    96,712.80x = 145,067.28 × 63,641.76
  4. Step 4: Simplify right side
    96,712.80x = 9,232,337,017.61
  5. Step 5: Solve for x
    x = 9,232,337,017.61/96,712.80
  6. Step 6: Final answer
    x = 95,461.38

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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.