Home / 91,755.76-126,632.28-54,042.16

Finding the Fourth Proportional to 91,755.76, 126,632.28 and 54,042.16

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Solution

The fourth proportional to 91,755.76, 126,632.28 and 54,042.16 is: 74,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,755.76 : 126,632.28 = 54,042.16 : x
  2. Step 2: Convert to fraction form
    91,755.76/126,632.28 = 54,042.16/x
  3. Step 3: Cross multiply
    91,755.76x = 126,632.28 × 54,042.16
  4. Step 4: Simplify right side
    91,755.76x = 6,843,481,936.92
  5. Step 5: Solve for x
    x = 6,843,481,936.92/91,755.76
  6. Step 6: Final answer
    x = 74,583.68

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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.