Home / 83,439.80-124,998.42-46,391.48

Finding the Fourth Proportional to 83,439.80, 124,998.42 and 46,391.48

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Solution

The fourth proportional to 83,439.80, 124,998.42 and 46,391.48 is: 69,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.80 : 124,998.42 = 46,391.48 : x
  2. Step 2: Convert to fraction form
    83,439.80/124,998.42 = 46,391.48/x
  3. Step 3: Cross multiply
    83,439.80x = 124,998.42 × 46,391.48
  4. Step 4: Simplify right side
    83,439.80x = 5,798,861,701.46
  5. Step 5: Solve for x
    x = 5,798,861,701.46/83,439.80
  6. Step 6: Final answer
    x = 69,497.55

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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.