Home / 90,093.11-124,340.85-51,851.88

Finding the Fourth Proportional to 90,093.11, 124,340.85 and 51,851.88

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Solution

The fourth proportional to 90,093.11, 124,340.85 and 51,851.88 is: 71,562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,093.11 : 124,340.85 = 51,851.88 : x
  2. Step 2: Convert to fraction form
    90,093.11/124,340.85 = 51,851.88/x
  3. Step 3: Cross multiply
    90,093.11x = 124,340.85 × 51,851.88
  4. Step 4: Simplify right side
    90,093.11x = 6,447,306,833.30
  5. Step 5: Solve for x
    x = 6,447,306,833.30/90,093.11
  6. Step 6: Final answer
    x = 71,562.71

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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.