Home / 79,861.61-119,778.35-29,250.18

Finding the Fourth Proportional to 79,861.61, 119,778.35 and 29,250.18

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Solution

The fourth proportional to 79,861.61, 119,778.35 and 29,250.18 is: 43,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,861.61 : 119,778.35 = 29,250.18 : x
  2. Step 2: Convert to fraction form
    79,861.61/119,778.35 = 29,250.18/x
  3. Step 3: Cross multiply
    79,861.61x = 119,778.35 × 29,250.18
  4. Step 4: Simplify right side
    79,861.61x = 3,503,537,698.71
  5. Step 5: Solve for x
    x = 3,503,537,698.71/79,861.61
  6. Step 6: Final answer
    x = 43,870.11

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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.