Home / 90,643.31-125,091.29-62,022.97

Finding the Fourth Proportional to 90,643.31, 125,091.29 and 62,022.97

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Solution

The fourth proportional to 90,643.31, 125,091.29 and 62,022.97 is: 85,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,643.31 : 125,091.29 = 62,022.97 : x
  2. Step 2: Convert to fraction form
    90,643.31/125,091.29 = 62,022.97/x
  3. Step 3: Cross multiply
    90,643.31x = 125,091.29 × 62,022.97
  4. Step 4: Simplify right side
    90,643.31x = 7,758,532,704.09
  5. Step 5: Solve for x
    x = 7,758,532,704.09/90,643.31
  6. Step 6: Final answer
    x = 85,594.11

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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.