Home / 74,718.08-112,044.24-22,131.68

Finding the Fourth Proportional to 74,718.08, 112,044.24 and 22,131.68

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Solution

The fourth proportional to 74,718.08, 112,044.24 and 22,131.68 is: 33,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,718.08 : 112,044.24 = 22,131.68 : x
  2. Step 2: Convert to fraction form
    74,718.08/112,044.24 = 22,131.68/x
  3. Step 3: Cross multiply
    74,718.08x = 112,044.24 × 22,131.68
  4. Step 4: Simplify right side
    74,718.08x = 2,479,727,265.52
  5. Step 5: Solve for x
    x = 2,479,727,265.52/74,718.08
  6. Step 6: Final answer
    x = 33,187.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.