Home / 44,081.52-66,122.82-12,917.40

Finding the Fourth Proportional to 44,081.52, 66,122.82 and 12,917.40

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Solution

The fourth proportional to 44,081.52, 66,122.82 and 12,917.40 is: 19,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,081.52 : 66,122.82 = 12,917.40 : x
  2. Step 2: Convert to fraction form
    44,081.52/66,122.82 = 12,917.40/x
  3. Step 3: Cross multiply
    44,081.52x = 66,122.82 × 12,917.40
  4. Step 4: Simplify right side
    44,081.52x = 854,134,915.07
  5. Step 5: Solve for x
    x = 854,134,915.07/44,081.52
  6. Step 6: Final answer
    x = 19,376.26

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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.