Home / 83,156.26-124,278.65-60,714.20

Finding the Fourth Proportional to 83,156.26, 124,278.65 and 60,714.20

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Solution

The fourth proportional to 83,156.26, 124,278.65 and 60,714.20 is: 90,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,156.26 : 124,278.65 = 60,714.20 : x
  2. Step 2: Convert to fraction form
    83,156.26/124,278.65 = 60,714.20/x
  3. Step 3: Cross multiply
    83,156.26x = 124,278.65 × 60,714.20
  4. Step 4: Simplify right side
    83,156.26x = 7,545,478,811.83
  5. Step 5: Solve for x
    x = 7,545,478,811.83/83,156.26
  6. Step 6: Final answer
    x = 90,738.55

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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.