Home / 90,049.23-124,275.42-49,770.86

Finding the Fourth Proportional to 90,049.23, 124,275.42 and 49,770.86

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Solution

The fourth proportional to 90,049.23, 124,275.42 and 49,770.86 is: 68,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,049.23 : 124,275.42 = 49,770.86 : x
  2. Step 2: Convert to fraction form
    90,049.23/124,275.42 = 49,770.86/x
  3. Step 3: Cross multiply
    90,049.23x = 124,275.42 × 49,770.86
  4. Step 4: Simplify right side
    90,049.23x = 6,185,293,908.88
  5. Step 5: Solve for x
    x = 6,185,293,908.88/90,049.23
  6. Step 6: Final answer
    x = 68,687.92

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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.