Home / 79,670.97-119,422.76-40,145.18

Finding the Fourth Proportional to 79,670.97, 119,422.76 and 40,145.18

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Solution

The fourth proportional to 79,670.97, 119,422.76 and 40,145.18 is: 60,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,670.97 : 119,422.76 = 40,145.18 : x
  2. Step 2: Convert to fraction form
    79,670.97/119,422.76 = 40,145.18/x
  3. Step 3: Cross multiply
    79,670.97x = 119,422.76 × 40,145.18
  4. Step 4: Simplify right side
    79,670.97x = 4,794,247,398.46
  5. Step 5: Solve for x
    x = 4,794,247,398.46/79,670.97
  6. Step 6: Final answer
    x = 60,175.59

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1.5x scale

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.