Home / 79,170.14-109,257.42-43,362.14

Finding the Fourth Proportional to 79,170.14, 109,257.42 and 43,362.14

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Solution

The fourth proportional to 79,170.14, 109,257.42 and 43,362.14 is: 59,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,170.14 : 109,257.42 = 43,362.14 : x
  2. Step 2: Convert to fraction form
    79,170.14/109,257.42 = 43,362.14/x
  3. Step 3: Cross multiply
    79,170.14x = 109,257.42 × 43,362.14
  4. Step 4: Simplify right side
    79,170.14x = 4,737,635,158.40
  5. Step 5: Solve for x
    x = 4,737,635,158.40/79,170.14
  6. Step 6: Final answer
    x = 59,841.19

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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.