Home / 88,758.12-122,456.70-58,558.44

Finding the Fourth Proportional to 88,758.12, 122,456.70 and 58,558.44

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Solution

The fourth proportional to 88,758.12, 122,456.70 and 58,558.44 is: 80,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,758.12 : 122,456.70 = 58,558.44 : x
  2. Step 2: Convert to fraction form
    88,758.12/122,456.70 = 58,558.44/x
  3. Step 3: Cross multiply
    88,758.12x = 122,456.70 × 58,558.44
  4. Step 4: Simplify right side
    88,758.12x = 7,170,873,319.55
  5. Step 5: Solve for x
    x = 7,170,873,319.55/88,758.12
  6. Step 6: Final answer
    x = 80,791.18

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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.