Home / 66,149.26-99,230.87-21,776.04

Finding the Fourth Proportional to 66,149.26, 99,230.87 and 21,776.04

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Solution

The fourth proportional to 66,149.26, 99,230.87 and 21,776.04 is: 32,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,149.26 : 99,230.87 = 21,776.04 : x
  2. Step 2: Convert to fraction form
    66,149.26/99,230.87 = 21,776.04/x
  3. Step 3: Cross multiply
    66,149.26x = 99,230.87 × 21,776.04
  4. Step 4: Simplify right side
    66,149.26x = 2,160,855,448.79
  5. Step 5: Solve for x
    x = 2,160,855,448.79/66,149.26
  6. Step 6: Final answer
    x = 32,666.36

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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.