Home / 75,053.44-103,587.66-48,229.48

Finding the Fourth Proportional to 75,053.44, 103,587.66 and 48,229.48

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Solution

The fourth proportional to 75,053.44, 103,587.66 and 48,229.48 is: 66,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,053.44 : 103,587.66 = 48,229.48 : x
  2. Step 2: Convert to fraction form
    75,053.44/103,587.66 = 48,229.48/x
  3. Step 3: Cross multiply
    75,053.44x = 103,587.66 × 48,229.48
  4. Step 4: Simplify right side
    75,053.44x = 4,995,978,976.22
  5. Step 5: Solve for x
    x = 4,995,978,976.22/75,053.44
  6. Step 6: Final answer
    x = 66,565.62

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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.