Home / 111,724.44-154,188.30-63,992.76

Finding the Fourth Proportional to 111,724.44, 154,188.30 and 63,992.76

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Solution

The fourth proportional to 111,724.44, 154,188.30 and 63,992.76 is: 88,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,724.44 : 154,188.30 = 63,992.76 : x
  2. Step 2: Convert to fraction form
    111,724.44/154,188.30 = 63,992.76/x
  3. Step 3: Cross multiply
    111,724.44x = 154,188.30 × 63,992.76
  4. Step 4: Simplify right side
    111,724.44x = 9,866,934,876.71
  5. Step 5: Solve for x
    x = 9,866,934,876.71/111,724.44
  6. Step 6: Final answer
    x = 88,314.92

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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.