Home / 91,182.50-125,833.19-50,899.31

Finding the Fourth Proportional to 91,182.50, 125,833.19 and 50,899.31

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Solution

The fourth proportional to 91,182.50, 125,833.19 and 50,899.31 is: 70,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182.50 : 125,833.19 = 50,899.31 : x
  2. Step 2: Convert to fraction form
    91,182.50/125,833.19 = 50,899.31/x
  3. Step 3: Cross multiply
    91,182.50x = 125,833.19 × 50,899.31
  4. Step 4: Simplify right side
    91,182.50x = 6,404,822,546.10
  5. Step 5: Solve for x
    x = 6,404,822,546.10/91,182.50
  6. Step 6: Final answer
    x = 70,241.80

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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.