Home / 91,042.67-125,638.96-50,755.62

Finding the Fourth Proportional to 91,042.67, 125,638.96 and 50,755.62

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Solution

The fourth proportional to 91,042.67, 125,638.96 and 50,755.62 is: 70,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,042.67 : 125,638.96 = 50,755.62 : x
  2. Step 2: Convert to fraction form
    91,042.67/125,638.96 = 50,755.62/x
  3. Step 3: Cross multiply
    91,042.67x = 125,638.96 × 50,755.62
  4. Step 4: Simplify right side
    91,042.67x = 6,376,883,310.96
  5. Step 5: Solve for x
    x = 6,376,883,310.96/91,042.67
  6. Step 6: Final answer
    x = 70,042.80

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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.