Home / 86,787.44-130,255.13-34,233.83

Finding the Fourth Proportional to 86,787.44, 130,255.13 and 34,233.83

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Solution

The fourth proportional to 86,787.44, 130,255.13 and 34,233.83 is: 51,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,787.44 : 130,255.13 = 34,233.83 : x
  2. Step 2: Convert to fraction form
    86,787.44/130,255.13 = 34,233.83/x
  3. Step 3: Cross multiply
    86,787.44x = 130,255.13 × 34,233.83
  4. Step 4: Simplify right side
    86,787.44x = 4,459,131,805.88
  5. Step 5: Solve for x
    x = 4,459,131,805.88/86,787.44
  6. Step 6: Final answer
    x = 51,379.92

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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.