Home / 71,067.20-106,587.66-26,078.72

Finding the Fourth Proportional to 71,067.20, 106,587.66 and 26,078.72

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Solution

The fourth proportional to 71,067.20, 106,587.66 and 26,078.72 is: 39,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,067.20 : 106,587.66 = 26,078.72 : x
  2. Step 2: Convert to fraction form
    71,067.20/106,587.66 = 26,078.72/x
  3. Step 3: Cross multiply
    71,067.20x = 106,587.66 × 26,078.72
  4. Step 4: Simplify right side
    71,067.20x = 2,779,669,740.60
  5. Step 5: Solve for x
    x = 2,779,669,740.60/71,067.20
  6. Step 6: Final answer
    x = 39,113.26

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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.