Home / 79,083.32-119,175.14-71,589.17

Finding the Fourth Proportional to 79,083.32, 119,175.14 and 71,589.17

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Solution

The fourth proportional to 79,083.32, 119,175.14 and 71,589.17 is: 107,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.32 : 119,175.14 = 71,589.17 : x
  2. Step 2: Convert to fraction form
    79,083.32/119,175.14 = 71,589.17/x
  3. Step 3: Cross multiply
    79,083.32x = 119,175.14 × 71,589.17
  4. Step 4: Simplify right side
    79,083.32x = 8,531,648,660.42
  5. Step 5: Solve for x
    x = 8,531,648,660.42/79,083.32
  6. Step 6: Final answer
    x = 107,881.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.