Home / 79,503.12-119,276.21-26,912.61

Finding the Fourth Proportional to 79,503.12, 119,276.21 and 26,912.61

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Solution

The fourth proportional to 79,503.12, 119,276.21 and 26,912.61 is: 40,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,503.12 : 119,276.21 = 26,912.61 : x
  2. Step 2: Convert to fraction form
    79,503.12/119,276.21 = 26,912.61/x
  3. Step 3: Cross multiply
    79,503.12x = 119,276.21 × 26,912.61
  4. Step 4: Simplify right side
    79,503.12x = 3,210,034,189.29
  5. Step 5: Solve for x
    x = 3,210,034,189.29/79,503.12
  6. Step 6: Final answer
    x = 40,376.20

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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.