Home / 79,770.12-119,655.20-23,605.88

Finding the Fourth Proportional to 79,770.12, 119,655.20 and 23,605.88

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Solution

The fourth proportional to 79,770.12, 119,655.20 and 23,605.88 is: 35,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,770.12 : 119,655.20 = 23,605.88 : x
  2. Step 2: Convert to fraction form
    79,770.12/119,655.20 = 23,605.88/x
  3. Step 3: Cross multiply
    79,770.12x = 119,655.20 × 23,605.88
  4. Step 4: Simplify right side
    79,770.12x = 2,824,566,292.58
  5. Step 5: Solve for x
    x = 2,824,566,292.58/79,770.12
  6. Step 6: Final answer
    x = 35,408.83

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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.