Home / 83,154.26-124,275.67-60,712.20

Finding the Fourth Proportional to 83,154.26, 124,275.67 and 60,712.20

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Solution

The fourth proportional to 83,154.26, 124,275.67 and 60,712.20 is: 90,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,154.26 : 124,275.67 = 60,712.20 : x
  2. Step 2: Convert to fraction form
    83,154.26/124,275.67 = 60,712.20/x
  3. Step 3: Cross multiply
    83,154.26x = 124,275.67 × 60,712.20
  4. Step 4: Simplify right side
    83,154.26x = 7,545,049,332.17
  5. Step 5: Solve for x
    x = 7,545,049,332.17/83,154.26
  6. Step 6: Final answer
    x = 90,735.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.