Home / 90,969.06-125,535.42-62,287.92

Finding the Fourth Proportional to 90,969.06, 125,535.42 and 62,287.92

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Solution

The fourth proportional to 90,969.06, 125,535.42 and 62,287.92 is: 85,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,969.06 : 125,535.42 = 62,287.92 : x
  2. Step 2: Convert to fraction form
    90,969.06/125,535.42 = 62,287.92/x
  3. Step 3: Cross multiply
    90,969.06x = 125,535.42 × 62,287.92
  4. Step 4: Simplify right side
    90,969.06x = 7,819,340,198.13
  5. Step 5: Solve for x
    x = 7,819,340,198.13/90,969.06
  6. Step 6: Final answer
    x = 85,956.04

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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.