Home / 54,131.50-81,187.67-14,691.68

Finding the Fourth Proportional to 54,131.50, 81,187.67 and 14,691.68

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Solution

The fourth proportional to 54,131.50, 81,187.67 and 14,691.68 is: 22,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.50 : 81,187.67 = 14,691.68 : x
  2. Step 2: Convert to fraction form
    54,131.50/81,187.67 = 14,691.68/x
  3. Step 3: Cross multiply
    54,131.50x = 81,187.67 × 14,691.68
  4. Step 4: Simplify right side
    54,131.50x = 1,192,783,194.13
  5. Step 5: Solve for x
    x = 1,192,783,194.13/54,131.50
  6. Step 6: Final answer
    x = 22,034.92

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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.