Home / 83,218.57-124,833.11-35,178.22

Finding the Fourth Proportional to 83,218.57, 124,833.11 and 35,178.22

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Solution

The fourth proportional to 83,218.57, 124,833.11 and 35,178.22 is: 52,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,218.57 : 124,833.11 = 35,178.22 : x
  2. Step 2: Convert to fraction form
    83,218.57/124,833.11 = 35,178.22/x
  3. Step 3: Cross multiply
    83,218.57x = 124,833.11 × 35,178.22
  4. Step 4: Simplify right side
    83,218.57x = 4,391,406,606.86
  5. Step 5: Solve for x
    x = 4,391,406,606.86/83,218.57
  6. Step 6: Final answer
    x = 52,769.55

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1.5x scale

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.