Home / 83,261.50-124,933.26-38,881.80

Finding the Fourth Proportional to 83,261.50, 124,933.26 and 38,881.80

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Solution

The fourth proportional to 83,261.50, 124,933.26 and 38,881.80 is: 58,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,261.50 : 124,933.26 = 38,881.80 : x
  2. Step 2: Convert to fraction form
    83,261.50/124,933.26 = 38,881.80/x
  3. Step 3: Cross multiply
    83,261.50x = 124,933.26 × 38,881.80
  4. Step 4: Simplify right side
    83,261.50x = 4,857,629,834.26
  5. Step 5: Solve for x
    x = 4,857,629,834.26/83,261.50
  6. Step 6: Final answer
    x = 58,341.85

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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.