Home / 91,002.43-125,660.76-57,067.75

Finding the Fourth Proportional to 91,002.43, 125,660.76 and 57,067.75

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Solution

The fourth proportional to 91,002.43, 125,660.76 and 57,067.75 is: 78,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,002.43 : 125,660.76 = 57,067.75 : x
  2. Step 2: Convert to fraction form
    91,002.43/125,660.76 = 57,067.75/x
  3. Step 3: Cross multiply
    91,002.43x = 125,660.76 × 57,067.75
  4. Step 4: Simplify right side
    91,002.43x = 7,171,176,836.49
  5. Step 5: Solve for x
    x = 7,171,176,836.49/91,002.43
  6. Step 6: Final answer
    x = 78,802.04

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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.