Home / 71,119.20-106,581.60-47,359.20

Finding the Fourth Proportional to 71,119.20, 106,581.60 and 47,359.20

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Solution

The fourth proportional to 71,119.20, 106,581.60 and 47,359.20 is: 70,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,119.20 : 106,581.60 = 47,359.20 : x
  2. Step 2: Convert to fraction form
    71,119.20/106,581.60 = 47,359.20/x
  3. Step 3: Cross multiply
    71,119.20x = 106,581.60 × 47,359.20
  4. Step 4: Simplify right side
    71,119.20x = 5,047,619,310.72
  5. Step 5: Solve for x
    x = 5,047,619,310.72/71,119.20
  6. Step 6: Final answer
    x = 70,974.07

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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.