Home / 88,712.35-122,404.75-50,979.31

Finding the Fourth Proportional to 88,712.35, 122,404.75 and 50,979.31

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Solution

The fourth proportional to 88,712.35, 122,404.75 and 50,979.31 is: 70,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,712.35 : 122,404.75 = 50,979.31 : x
  2. Step 2: Convert to fraction form
    88,712.35/122,404.75 = 50,979.31/x
  3. Step 3: Cross multiply
    88,712.35x = 122,404.75 × 50,979.31
  4. Step 4: Simplify right side
    88,712.35x = 6,240,109,695.72
  5. Step 5: Solve for x
    x = 6,240,109,695.72/88,712.35
  6. Step 6: Final answer
    x = 70,340.94

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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.