Home / 66,536.80-99,816.72-27,115.36

Finding the Fourth Proportional to 66,536.80, 99,816.72 and 27,115.36

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Solution

The fourth proportional to 66,536.80, 99,816.72 and 27,115.36 is: 40,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536.80 : 99,816.72 = 27,115.36 : x
  2. Step 2: Convert to fraction form
    66,536.80/99,816.72 = 27,115.36/x
  3. Step 3: Cross multiply
    66,536.80x = 99,816.72 × 27,115.36
  4. Step 4: Simplify right side
    66,536.80x = 2,706,566,296.82
  5. Step 5: Solve for x
    x = 2,706,566,296.82/66,536.80
  6. Step 6: Final answer
    x = 40,677.73

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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.