Home / 90,251.24-124,542.66-49,962.14

Finding the Fourth Proportional to 90,251.24, 124,542.66 and 49,962.14

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Solution

The fourth proportional to 90,251.24, 124,542.66 and 49,962.14 is: 68,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,251.24 : 124,542.66 = 49,962.14 : x
  2. Step 2: Convert to fraction form
    90,251.24/124,542.66 = 49,962.14/x
  3. Step 3: Cross multiply
    90,251.24x = 124,542.66 × 49,962.14
  4. Step 4: Simplify right side
    90,251.24x = 6,222,417,814.89
  5. Step 5: Solve for x
    x = 6,222,417,814.89/90,251.24
  6. Step 6: Final answer
    x = 68,945.51

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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.