Home / 91,042.17-125,638.27-50,755.12

Finding the Fourth Proportional to 91,042.17, 125,638.27 and 50,755.12

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Solution

The fourth proportional to 91,042.17, 125,638.27 and 50,755.12 is: 70,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,042.17 : 125,638.27 = 50,755.12 : x
  2. Step 2: Convert to fraction form
    91,042.17/125,638.27 = 50,755.12/x
  3. Step 3: Cross multiply
    91,042.17x = 125,638.27 × 50,755.12
  4. Step 4: Simplify right side
    91,042.17x = 6,376,785,470.44
  5. Step 5: Solve for x
    x = 6,376,785,470.44/91,042.17
  6. Step 6: Final answer
    x = 70,042.11

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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.