Home / 81,546.98-122,220.04-38,874.82

Finding the Fourth Proportional to 81,546.98, 122,220.04 and 38,874.82

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Solution

The fourth proportional to 81,546.98, 122,220.04 and 38,874.82 is: 58,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,546.98 : 122,220.04 = 38,874.82 : x
  2. Step 2: Convert to fraction form
    81,546.98/122,220.04 = 38,874.82/x
  3. Step 3: Cross multiply
    81,546.98x = 122,220.04 × 38,874.82
  4. Step 4: Simplify right side
    81,546.98x = 4,751,282,055.39
  5. Step 5: Solve for x
    x = 4,751,282,055.39/81,546.98
  6. Step 6: Final answer
    x = 58,264.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.