Home / 81,514.90-122,307.52-44,101.32

Finding the Fourth Proportional to 81,514.90, 122,307.52 and 44,101.32

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Solution

The fourth proportional to 81,514.90, 122,307.52 and 44,101.32 is: 66,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,514.90 : 122,307.52 = 44,101.32 : x
  2. Step 2: Convert to fraction form
    81,514.90/122,307.52 = 44,101.32/x
  3. Step 3: Cross multiply
    81,514.90x = 122,307.52 × 44,101.32
  4. Step 4: Simplify right side
    81,514.90x = 5,393,923,077.93
  5. Step 5: Solve for x
    x = 5,393,923,077.93/81,514.90
  6. Step 6: Final answer
    x = 66,171.01

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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.