Home / 66,866.56-92,272.62-40,023.88

Finding the Fourth Proportional to 66,866.56, 92,272.62 and 40,023.88

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Solution

The fourth proportional to 66,866.56, 92,272.62 and 40,023.88 is: 55,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,866.56 : 92,272.62 = 40,023.88 : x
  2. Step 2: Convert to fraction form
    66,866.56/92,272.62 = 40,023.88/x
  3. Step 3: Cross multiply
    66,866.56x = 92,272.62 × 40,023.88
  4. Step 4: Simplify right side
    66,866.56x = 3,693,108,270.17
  5. Step 5: Solve for x
    x = 3,693,108,270.17/66,866.56
  6. Step 6: Final answer
    x = 55,231.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.