Home / 98,493.57-147,743.60-31,934.25

Finding the Fourth Proportional to 98,493.57, 147,743.60 and 31,934.25

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Solution

The fourth proportional to 98,493.57, 147,743.60 and 31,934.25 is: 47,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,493.57 : 147,743.60 = 31,934.25 : x
  2. Step 2: Convert to fraction form
    98,493.57/147,743.60 = 31,934.25/x
  3. Step 3: Cross multiply
    98,493.57x = 147,743.60 × 31,934.25
  4. Step 4: Simplify right side
    98,493.57x = 4,718,080,898.63
  5. Step 5: Solve for x
    x = 4,718,080,898.63/98,493.57
  6. Step 6: Final answer
    x = 47,902.43

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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.