Home / 77,067.16-106,347.54-43,531

Finding the Fourth Proportional to 77,067.16, 106,347.54 and 43,531

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Solution

The fourth proportional to 77,067.16, 106,347.54 and 43,531 is: 60,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,067.16 : 106,347.54 = 43,531 : x
  2. Step 2: Convert to fraction form
    77,067.16/106,347.54 = 43,531/x
  3. Step 3: Cross multiply
    77,067.16x = 106,347.54 × 43,531
  4. Step 4: Simplify right side
    77,067.16x = 4,629,414,763.74
  5. Step 5: Solve for x
    x = 4,629,414,763.74/77,067.16
  6. Step 6: Final answer
    x = 60,069.88

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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.