Home / 83,341.80-124,867.08-69,391.44

Finding the Fourth Proportional to 83,341.80, 124,867.08 and 69,391.44

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Solution

The fourth proportional to 83,341.80, 124,867.08 and 69,391.44 is: 103,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,341.80 : 124,867.08 = 69,391.44 : x
  2. Step 2: Convert to fraction form
    83,341.80/124,867.08 = 69,391.44/x
  3. Step 3: Cross multiply
    83,341.80x = 124,867.08 × 69,391.44
  4. Step 4: Simplify right side
    83,341.80x = 8,664,706,489.80
  5. Step 5: Solve for x
    x = 8,664,706,489.80/83,341.80
  6. Step 6: Final answer
    x = 103,965.91

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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.