Home / 83,179.32-124,651.04-64,371.81

Finding the Fourth Proportional to 83,179.32, 124,651.04 and 64,371.81

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Solution

The fourth proportional to 83,179.32, 124,651.04 and 64,371.81 is: 96,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,179.32 : 124,651.04 = 64,371.81 : x
  2. Step 2: Convert to fraction form
    83,179.32/124,651.04 = 64,371.81/x
  3. Step 3: Cross multiply
    83,179.32x = 124,651.04 × 64,371.81
  4. Step 4: Simplify right side
    83,179.32x = 8,024,012,273.88
  5. Step 5: Solve for x
    x = 8,024,012,273.88/83,179.32
  6. Step 6: Final answer
    x = 96,466.43

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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.