Home / 83,403.92-125,064.84-39,007.28

Finding the Fourth Proportional to 83,403.92, 125,064.84 and 39,007.28

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Solution

The fourth proportional to 83,403.92, 125,064.84 and 39,007.28 is: 58,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,403.92 : 125,064.84 = 39,007.28 : x
  2. Step 2: Convert to fraction form
    83,403.92/125,064.84 = 39,007.28/x
  3. Step 3: Cross multiply
    83,403.92x = 125,064.84 × 39,007.28
  4. Step 4: Simplify right side
    83,403.92x = 4,878,439,232.04
  5. Step 5: Solve for x
    x = 4,878,439,232.04/83,403.92
  6. Step 6: Final answer
    x = 58,491.73

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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.