Home / 78,072.75-117,145.41-24,773.13

Finding the Fourth Proportional to 78,072.75, 117,145.41 and 24,773.13

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Solution

The fourth proportional to 78,072.75, 117,145.41 and 24,773.13 is: 37,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,072.75 : 117,145.41 = 24,773.13 : x
  2. Step 2: Convert to fraction form
    78,072.75/117,145.41 = 24,773.13/x
  3. Step 3: Cross multiply
    78,072.75x = 117,145.41 × 24,773.13
  4. Step 4: Simplify right side
    78,072.75x = 2,902,058,470.83
  5. Step 5: Solve for x
    x = 2,902,058,470.83/78,072.75
  6. Step 6: Final answer
    x = 37,171.21

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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.