Home / 84,629.99-126,957.20-45,165.57

Finding the Fourth Proportional to 84,629.99, 126,957.20 and 45,165.57

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Solution

The fourth proportional to 84,629.99, 126,957.20 and 45,165.57 is: 67,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,629.99 : 126,957.20 = 45,165.57 : x
  2. Step 2: Convert to fraction form
    84,629.99/126,957.20 = 45,165.57/x
  3. Step 3: Cross multiply
    84,629.99x = 126,957.20 × 45,165.57
  4. Step 4: Simplify right side
    84,629.99x = 5,734,094,077.78
  5. Step 5: Solve for x
    x = 5,734,094,077.78/84,629.99
  6. Step 6: Final answer
    x = 67,754.88

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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.