Home / 66,013.22-98,876.40-40,635.38

Finding the Fourth Proportional to 66,013.22, 98,876.40 and 40,635.38

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Solution

The fourth proportional to 66,013.22, 98,876.40 and 40,635.38 is: 60,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,013.22 : 98,876.40 = 40,635.38 : x
  2. Step 2: Convert to fraction form
    66,013.22/98,876.40 = 40,635.38/x
  3. Step 3: Cross multiply
    66,013.22x = 98,876.40 × 40,635.38
  4. Step 4: Simplify right side
    66,013.22x = 4,017,880,087.03
  5. Step 5: Solve for x
    x = 4,017,880,087.03/66,013.22
  6. Step 6: Final answer
    x = 60,864.78

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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.