Home / 98,042.38-147,049.67-31,488.26

Finding the Fourth Proportional to 98,042.38, 147,049.67 and 31,488.26

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Solution

The fourth proportional to 98,042.38, 147,049.67 and 31,488.26 is: 47,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,042.38 : 147,049.67 = 31,488.26 : x
  2. Step 2: Convert to fraction form
    98,042.38/147,049.67 = 31,488.26/x
  3. Step 3: Cross multiply
    98,042.38x = 147,049.67 × 31,488.26
  4. Step 4: Simplify right side
    98,042.38x = 4,630,338,241.87
  5. Step 5: Solve for x
    x = 4,630,338,241.87/98,042.38
  6. Step 6: Final answer
    x = 47,227.93

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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.