Home / 79,755.12-119,451.33-61,842.24

Finding the Fourth Proportional to 79,755.12, 119,451.33 and 61,842.24

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Solution

The fourth proportional to 79,755.12, 119,451.33 and 61,842.24 is: 92,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,755.12 : 119,451.33 = 61,842.24 : x
  2. Step 2: Convert to fraction form
    79,755.12/119,451.33 = 61,842.24/x
  3. Step 3: Cross multiply
    79,755.12x = 119,451.33 × 61,842.24
  4. Step 4: Simplify right side
    79,755.12x = 7,387,137,818.18
  5. Step 5: Solve for x
    x = 7,387,137,818.18/79,755.12
  6. Step 6: Final answer
    x = 92,622.74

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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.