Home / 83,239.17-124,859.91-27,079.57

Finding the Fourth Proportional to 83,239.17, 124,859.91 and 27,079.57

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Solution

The fourth proportional to 83,239.17, 124,859.91 and 27,079.57 is: 40,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,239.17 : 124,859.91 = 27,079.57 : x
  2. Step 2: Convert to fraction form
    83,239.17/124,859.91 = 27,079.57/x
  3. Step 3: Cross multiply
    83,239.17x = 124,859.91 × 27,079.57
  4. Step 4: Simplify right side
    83,239.17x = 3,381,152,673.04
  5. Step 5: Solve for x
    x = 3,381,152,673.04/83,239.17
  6. Step 6: Final answer
    x = 40,619.73

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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.