Home / 88,394.75-121,953.97-50,149.79

Finding the Fourth Proportional to 88,394.75, 121,953.97 and 50,149.79

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Solution

The fourth proportional to 88,394.75, 121,953.97 and 50,149.79 is: 69,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,394.75 : 121,953.97 = 50,149.79 : x
  2. Step 2: Convert to fraction form
    88,394.75/121,953.97 = 50,149.79/x
  3. Step 3: Cross multiply
    88,394.75x = 121,953.97 × 50,149.79
  4. Step 4: Simplify right side
    88,394.75x = 6,115,965,985.17
  5. Step 5: Solve for x
    x = 6,115,965,985.17/88,394.75
  6. Step 6: Final answer
    x = 69,189.24

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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.