Home / 54,339.15-81,508.73-52,370.85

Finding the Fourth Proportional to 54,339.15, 81,508.73 and 52,370.85

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Solution

The fourth proportional to 54,339.15, 81,508.73 and 52,370.85 is: 78,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.15 : 81,508.73 = 52,370.85 : x
  2. Step 2: Convert to fraction form
    54,339.15/81,508.73 = 52,370.85/x
  3. Step 3: Cross multiply
    54,339.15x = 81,508.73 × 52,370.85
  4. Step 4: Simplify right side
    54,339.15x = 4,268,681,210.67
  5. Step 5: Solve for x
    x = 4,268,681,210.67/54,339.15
  6. Step 6: Final answer
    x = 78,556.28

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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.