Home / 98,074.92-146,972.02-55,867.89

Finding the Fourth Proportional to 98,074.92, 146,972.02 and 55,867.89

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Solution

The fourth proportional to 98,074.92, 146,972.02 and 55,867.89 is: 83,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,074.92 : 146,972.02 = 55,867.89 : x
  2. Step 2: Convert to fraction form
    98,074.92/146,972.02 = 55,867.89/x
  3. Step 3: Cross multiply
    98,074.92x = 146,972.02 × 55,867.89
  4. Step 4: Simplify right side
    98,074.92x = 8,211,016,367.10
  5. Step 5: Solve for x
    x = 8,211,016,367.10/98,074.92
  6. Step 6: Final answer
    x = 83,721.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.