Home / 88,911.52-122,604.24-55,319.20

Finding the Fourth Proportional to 88,911.52, 122,604.24 and 55,319.20

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Solution

The fourth proportional to 88,911.52, 122,604.24 and 55,319.20 is: 76,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,911.52 : 122,604.24 = 55,319.20 : x
  2. Step 2: Convert to fraction form
    88,911.52/122,604.24 = 55,319.20/x
  3. Step 3: Cross multiply
    88,911.52x = 122,604.24 × 55,319.20
  4. Step 4: Simplify right side
    88,911.52x = 6,782,368,473.41
  5. Step 5: Solve for x
    x = 6,782,368,473.41/88,911.52
  6. Step 6: Final answer
    x = 76,282.22

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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.