Home / 79,422.22-119,136.19-39,957.86

Finding the Fourth Proportional to 79,422.22, 119,136.19 and 39,957.86

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Solution

The fourth proportional to 79,422.22, 119,136.19 and 39,957.86 is: 59,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,422.22 : 119,136.19 = 39,957.86 : x
  2. Step 2: Convert to fraction form
    79,422.22/119,136.19 = 39,957.86/x
  3. Step 3: Cross multiply
    79,422.22x = 119,136.19 × 39,957.86
  4. Step 4: Simplify right side
    79,422.22x = 4,760,427,200.95
  5. Step 5: Solve for x
    x = 4,760,427,200.95/79,422.22
  6. Step 6: Final answer
    x = 59,938.23

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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.