Home / 96,715.43-145,026.48-40,540.45

Finding the Fourth Proportional to 96,715.43, 145,026.48 and 40,540.45

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Solution

The fourth proportional to 96,715.43, 145,026.48 and 40,540.45 is: 60,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,715.43 : 145,026.48 = 40,540.45 : x
  2. Step 2: Convert to fraction form
    96,715.43/145,026.48 = 40,540.45/x
  3. Step 3: Cross multiply
    96,715.43x = 145,026.48 × 40,540.45
  4. Step 4: Simplify right side
    96,715.43x = 5,879,438,761.12
  5. Step 5: Solve for x
    x = 5,879,438,761.12/96,715.43
  6. Step 6: Final answer
    x = 60,791.11

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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.