Home / 81,445.17-122,195.09-44,008.59

Finding the Fourth Proportional to 81,445.17, 122,195.09 and 44,008.59

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Solution

The fourth proportional to 81,445.17, 122,195.09 and 44,008.59 is: 66,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,445.17 : 122,195.09 = 44,008.59 : x
  2. Step 2: Convert to fraction form
    81,445.17/122,195.09 = 44,008.59/x
  3. Step 3: Cross multiply
    81,445.17x = 122,195.09 × 44,008.59
  4. Step 4: Simplify right side
    81,445.17x = 5,377,633,615.82
  5. Step 5: Solve for x
    x = 5,377,633,615.82/81,445.17
  6. Step 6: Final answer
    x = 66,027.66

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1.5x scale

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.