Home / 66,081.74-98,997.77-51,217.89

Finding the Fourth Proportional to 66,081.74, 98,997.77 and 51,217.89

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Solution

The fourth proportional to 66,081.74, 98,997.77 and 51,217.89 is: 76,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081.74 : 98,997.77 = 51,217.89 : x
  2. Step 2: Convert to fraction form
    66,081.74/98,997.77 = 51,217.89/x
  3. Step 3: Cross multiply
    66,081.74x = 98,997.77 × 51,217.89
  4. Step 4: Simplify right side
    66,081.74x = 5,070,456,877.74
  5. Step 5: Solve for x
    x = 5,070,456,877.74/66,081.74
  6. Step 6: Final answer
    x = 76,730.07

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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.