Home / 90,166.74-124,536.62-67,604.20

Finding the Fourth Proportional to 90,166.74, 124,536.62 and 67,604.20

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Solution

The fourth proportional to 90,166.74, 124,536.62 and 67,604.20 is: 93,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,166.74 : 124,536.62 = 67,604.20 : x
  2. Step 2: Convert to fraction form
    90,166.74/124,536.62 = 67,604.20/x
  3. Step 3: Cross multiply
    90,166.74x = 124,536.62 × 67,604.20
  4. Step 4: Simplify right side
    90,166.74x = 8,419,198,565.80
  5. Step 5: Solve for x
    x = 8,419,198,565.80/90,166.74
  6. Step 6: Final answer
    x = 93,373.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.