Home / 83,006.10-124,360.65-50,489.10

Finding the Fourth Proportional to 83,006.10, 124,360.65 and 50,489.10

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Solution

The fourth proportional to 83,006.10, 124,360.65 and 50,489.10 is: 75,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,006.10 : 124,360.65 = 50,489.10 : x
  2. Step 2: Convert to fraction form
    83,006.10/124,360.65 = 50,489.10/x
  3. Step 3: Cross multiply
    83,006.10x = 124,360.65 × 50,489.10
  4. Step 4: Simplify right side
    83,006.10x = 6,278,857,293.92
  5. Step 5: Solve for x
    x = 6,278,857,293.92/83,006.10
  6. Step 6: Final answer
    x = 75,643.32

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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.