Home / 98,919.38-148,323.71-42,724.41

Finding the Fourth Proportional to 98,919.38, 148,323.71 and 42,724.41

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Solution

The fourth proportional to 98,919.38, 148,323.71 and 42,724.41 is: 64,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919.38 : 148,323.71 = 42,724.41 : x
  2. Step 2: Convert to fraction form
    98,919.38/148,323.71 = 42,724.41/x
  3. Step 3: Cross multiply
    98,919.38x = 148,323.71 × 42,724.41
  4. Step 4: Simplify right side
    98,919.38x = 6,337,043,143.35
  5. Step 5: Solve for x
    x = 6,337,043,143.35/98,919.38
  6. Step 6: Final answer
    x = 64,062.71

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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.