Home / 66,641.36-99,989.38-27,202.48

Finding the Fourth Proportional to 66,641.36, 99,989.38 and 27,202.48

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Solution

The fourth proportional to 66,641.36, 99,989.38 and 27,202.48 is: 40,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,641.36 : 99,989.38 = 27,202.48 : x
  2. Step 2: Convert to fraction form
    66,641.36/99,989.38 = 27,202.48/x
  3. Step 3: Cross multiply
    66,641.36x = 99,989.38 × 27,202.48
  4. Step 4: Simplify right side
    66,641.36x = 2,719,959,109.66
  5. Step 5: Solve for x
    x = 2,719,959,109.66/66,641.36
  6. Step 6: Final answer
    x = 40,814.88

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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.