Home / 75,273.80-103,891.38-43,438.28

Finding the Fourth Proportional to 75,273.80, 103,891.38 and 43,438.28

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Solution

The fourth proportional to 75,273.80, 103,891.38 and 43,438.28 is: 59,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,273.80 : 103,891.38 = 43,438.28 : x
  2. Step 2: Convert to fraction form
    75,273.80/103,891.38 = 43,438.28/x
  3. Step 3: Cross multiply
    75,273.80x = 103,891.38 × 43,438.28
  4. Step 4: Simplify right side
    75,273.80x = 4,512,862,854.03
  5. Step 5: Solve for x
    x = 4,512,862,854.03/75,273.80
  6. Step 6: Final answer
    x = 59,952.64

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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.