Home / 98,046.67-147,118.61-38,881.03

Finding the Fourth Proportional to 98,046.67, 147,118.61 and 38,881.03

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Solution

The fourth proportional to 98,046.67, 147,118.61 and 38,881.03 is: 58,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,046.67 : 147,118.61 = 38,881.03 : x
  2. Step 2: Convert to fraction form
    98,046.67/147,118.61 = 38,881.03/x
  3. Step 3: Cross multiply
    98,046.67x = 147,118.61 × 38,881.03
  4. Step 4: Simplify right side
    98,046.67x = 5,720,122,158.97
  5. Step 5: Solve for x
    x = 5,720,122,158.97/98,046.67
  6. Step 6: Final answer
    x = 58,340.81

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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.