Home / 66,567.10-99,814.20-27,079.60

Finding the Fourth Proportional to 66,567.10, 99,814.20 and 27,079.60

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Solution

The fourth proportional to 66,567.10, 99,814.20 and 27,079.60 is: 40,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,567.10 : 99,814.20 = 27,079.60 : x
  2. Step 2: Convert to fraction form
    66,567.10/99,814.20 = 27,079.60/x
  3. Step 3: Cross multiply
    66,567.10x = 99,814.20 × 27,079.60
  4. Step 4: Simplify right side
    66,567.10x = 2,702,928,610.32
  5. Step 5: Solve for x
    x = 2,702,928,610.32/66,567.10
  6. Step 6: Final answer
    x = 40,604.57

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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.