Home / 98,519.39-147,799.85-31,954.34

Finding the Fourth Proportional to 98,519.39, 147,799.85 and 31,954.34

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Solution

The fourth proportional to 98,519.39, 147,799.85 and 31,954.34 is: 47,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,519.39 : 147,799.85 = 31,954.34 : x
  2. Step 2: Convert to fraction form
    98,519.39/147,799.85 = 31,954.34/x
  3. Step 3: Cross multiply
    98,519.39x = 147,799.85 × 31,954.34
  4. Step 4: Simplify right side
    98,519.39x = 4,722,846,658.85
  5. Step 5: Solve for x
    x = 4,722,846,658.85/98,519.39
  6. Step 6: Final answer
    x = 47,938.25

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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.