Home / 90,935.44-125,390.58-62,259.80

Finding the Fourth Proportional to 90,935.44, 125,390.58 and 62,259.80

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Solution

The fourth proportional to 90,935.44, 125,390.58 and 62,259.80 is: 85,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,935.44 : 125,390.58 = 62,259.80 : x
  2. Step 2: Convert to fraction form
    90,935.44/125,390.58 = 62,259.80/x
  3. Step 3: Cross multiply
    90,935.44x = 125,390.58 × 62,259.80
  4. Step 4: Simplify right side
    90,935.44x = 7,806,792,432.68
  5. Step 5: Solve for x
    x = 7,806,792,432.68/90,935.44
  6. Step 6: Final answer
    x = 85,849.83

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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.