Home / 82,771.64-124,136.92-23,607.84

Finding the Fourth Proportional to 82,771.64, 124,136.92 and 23,607.84

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Solution

The fourth proportional to 82,771.64, 124,136.92 and 23,607.84 is: 35,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,771.64 : 124,136.92 = 23,607.84 : x
  2. Step 2: Convert to fraction form
    82,771.64/124,136.92 = 23,607.84/x
  3. Step 3: Cross multiply
    82,771.64x = 124,136.92 × 23,607.84
  4. Step 4: Simplify right side
    82,771.64x = 2,930,604,545.45
  5. Step 5: Solve for x
    x = 2,930,604,545.45/82,771.64
  6. Step 6: Final answer
    x = 35,405.90

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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.