Home / 88,844.79-122,520.98-58,172.12

Finding the Fourth Proportional to 88,844.79, 122,520.98 and 58,172.12

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Solution

The fourth proportional to 88,844.79, 122,520.98 and 58,172.12 is: 80,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,844.79 : 122,520.98 = 58,172.12 : x
  2. Step 2: Convert to fraction form
    88,844.79/122,520.98 = 58,172.12/x
  3. Step 3: Cross multiply
    88,844.79x = 122,520.98 × 58,172.12
  4. Step 4: Simplify right side
    88,844.79x = 7,127,304,247.61
  5. Step 5: Solve for x
    x = 7,127,304,247.61/88,844.79
  6. Step 6: Final answer
    x = 80,221.97

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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.