Home / 66,287.62-99,431.70-26,845.48

Finding the Fourth Proportional to 66,287.62, 99,431.70 and 26,845.48

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Solution

The fourth proportional to 66,287.62, 99,431.70 and 26,845.48 is: 40,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,287.62 : 99,431.70 = 26,845.48 : x
  2. Step 2: Convert to fraction form
    66,287.62/99,431.70 = 26,845.48/x
  3. Step 3: Cross multiply
    66,287.62x = 99,431.70 × 26,845.48
  4. Step 4: Simplify right side
    66,287.62x = 2,669,291,713.72
  5. Step 5: Solve for x
    x = 2,669,291,713.72/66,287.62
  6. Step 6: Final answer
    x = 40,268.33

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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.