Home / 69,785.28-96,271.92-41,474.88

Finding the Fourth Proportional to 69,785.28, 96,271.92 and 41,474.88

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Solution

The fourth proportional to 69,785.28, 96,271.92 and 41,474.88 is: 57,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,785.28 : 96,271.92 = 41,474.88 : x
  2. Step 2: Convert to fraction form
    69,785.28/96,271.92 = 41,474.88/x
  3. Step 3: Cross multiply
    69,785.28x = 96,271.92 × 41,474.88
  4. Step 4: Simplify right side
    69,785.28x = 3,992,866,329.37
  5. Step 5: Solve for x
    x = 3,992,866,329.37/69,785.28
  6. Step 6: Final answer
    x = 57,216.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.