Home / 75,385.92-113,117.76-31,045.44

Finding the Fourth Proportional to 75,385.92, 113,117.76 and 31,045.44

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Solution

The fourth proportional to 75,385.92, 113,117.76 and 31,045.44 is: 46,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,385.92 : 113,117.76 = 31,045.44 : x
  2. Step 2: Convert to fraction form
    75,385.92/113,117.76 = 31,045.44/x
  3. Step 3: Cross multiply
    75,385.92x = 113,117.76 × 31,045.44
  4. Step 4: Simplify right side
    75,385.92x = 3,511,790,631.01
  5. Step 5: Solve for x
    x = 3,511,790,631.01/75,385.92
  6. Step 6: Final answer
    x = 46,584.17

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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.