Home / 90,402.27-124,757.34-49,568.73

Finding the Fourth Proportional to 90,402.27, 124,757.34 and 49,568.73

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Solution

The fourth proportional to 90,402.27, 124,757.34 and 49,568.73 is: 68,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,402.27 : 124,757.34 = 49,568.73 : x
  2. Step 2: Convert to fraction form
    90,402.27/124,757.34 = 49,568.73/x
  3. Step 3: Cross multiply
    90,402.27x = 124,757.34 × 49,568.73
  4. Step 4: Simplify right side
    90,402.27x = 6,184,062,901.98
  5. Step 5: Solve for x
    x = 6,184,062,901.98/90,402.27
  6. Step 6: Final answer
    x = 68,406.06

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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.