Home / 98,511.57-147,788.96-31,958.43

Finding the Fourth Proportional to 98,511.57, 147,788.96 and 31,958.43

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Solution

The fourth proportional to 98,511.57, 147,788.96 and 31,958.43 is: 47,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,511.57 : 147,788.96 = 31,958.43 : x
  2. Step 2: Convert to fraction form
    98,511.57/147,788.96 = 31,958.43/x
  3. Step 3: Cross multiply
    98,511.57x = 147,788.96 × 31,958.43
  4. Step 4: Simplify right side
    98,511.57x = 4,723,103,132.93
  5. Step 5: Solve for x
    x = 4,723,103,132.93/98,511.57
  6. Step 6: Final answer
    x = 47,944.65

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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.