Home / 79,747.18-119,616.78-29,823.60

Finding the Fourth Proportional to 79,747.18, 119,616.78 and 29,823.60

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Solution

The fourth proportional to 79,747.18, 119,616.78 and 29,823.60 is: 44,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,747.18 : 119,616.78 = 29,823.60 : x
  2. Step 2: Convert to fraction form
    79,747.18/119,616.78 = 29,823.60/x
  3. Step 3: Cross multiply
    79,747.18x = 119,616.78 × 29,823.60
  4. Step 4: Simplify right side
    79,747.18x = 3,567,403,000.01
  5. Step 5: Solve for x
    x = 3,567,403,000.01/79,747.18
  6. Step 6: Final answer
    x = 44,733.91

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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.