Home / 79,841.18-119,773.25-26,515.04

Finding the Fourth Proportional to 79,841.18, 119,773.25 and 26,515.04

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Solution

The fourth proportional to 79,841.18, 119,773.25 and 26,515.04 is: 39,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841.18 : 119,773.25 = 26,515.04 : x
  2. Step 2: Convert to fraction form
    79,841.18/119,773.25 = 26,515.04/x
  3. Step 3: Cross multiply
    79,841.18x = 119,773.25 × 26,515.04
  4. Step 4: Simplify right side
    79,841.18x = 3,175,791,783.24
  5. Step 5: Solve for x
    x = 3,175,791,783.24/79,841.18
  6. Step 6: Final answer
    x = 39,776.37

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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.