Home / 79,855.20-119,762.34-23,682.18

Finding the Fourth Proportional to 79,855.20, 119,762.34 and 23,682.18

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Solution

The fourth proportional to 79,855.20, 119,762.34 and 23,682.18 is: 35,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,855.20 : 119,762.34 = 23,682.18 : x
  2. Step 2: Convert to fraction form
    79,855.20/119,762.34 = 23,682.18/x
  3. Step 3: Cross multiply
    79,855.20x = 119,762.34 × 23,682.18
  4. Step 4: Simplify right side
    79,855.20x = 2,836,233,293.10
  5. Step 5: Solve for x
    x = 2,836,233,293.10/79,855.20
  6. Step 6: Final answer
    x = 35,517.20

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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.