Home / 82,921.07-124,407.90-29,611.88

Finding the Fourth Proportional to 82,921.07, 124,407.90 and 29,611.88

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Solution

The fourth proportional to 82,921.07, 124,407.90 and 29,611.88 is: 44,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,921.07 : 124,407.90 = 29,611.88 : x
  2. Step 2: Convert to fraction form
    82,921.07/124,407.90 = 29,611.88/x
  3. Step 3: Cross multiply
    82,921.07x = 124,407.90 × 29,611.88
  4. Step 4: Simplify right side
    82,921.07x = 3,683,951,805.85
  5. Step 5: Solve for x
    x = 3,683,951,805.85/82,921.07
  6. Step 6: Final answer
    x = 44,427.21

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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.