Home / 70,122.18-96,781.08-41,440.62

Finding the Fourth Proportional to 70,122.18, 96,781.08 and 41,440.62

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Solution

The fourth proportional to 70,122.18, 96,781.08 and 41,440.62 is: 57,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,122.18 : 96,781.08 = 41,440.62 : x
  2. Step 2: Convert to fraction form
    70,122.18/96,781.08 = 41,440.62/x
  3. Step 3: Cross multiply
    70,122.18x = 96,781.08 × 41,440.62
  4. Step 4: Simplify right side
    70,122.18x = 4,010,667,959.47
  5. Step 5: Solve for x
    x = 4,010,667,959.47/70,122.18
  6. Step 6: Final answer
    x = 57,195.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.