Home / 90,642.44-125,080.25-52,371.97

Finding the Fourth Proportional to 90,642.44, 125,080.25 and 52,371.97

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Solution

The fourth proportional to 90,642.44, 125,080.25 and 52,371.97 is: 72,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,642.44 : 125,080.25 = 52,371.97 : x
  2. Step 2: Convert to fraction form
    90,642.44/125,080.25 = 52,371.97/x
  3. Step 3: Cross multiply
    90,642.44x = 125,080.25 × 52,371.97
  4. Step 4: Simplify right side
    90,642.44x = 6,550,698,820.62
  5. Step 5: Solve for x
    x = 6,550,698,820.62/90,642.44
  6. Step 6: Final answer
    x = 72,269.66

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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.