Home / 69,318.64-103,977.93-27,218.53

Finding the Fourth Proportional to 69,318.64, 103,977.93 and 27,218.53

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Solution

The fourth proportional to 69,318.64, 103,977.93 and 27,218.53 is: 40,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,318.64 : 103,977.93 = 27,218.53 : x
  2. Step 2: Convert to fraction form
    69,318.64/103,977.93 = 27,218.53/x
  3. Step 3: Cross multiply
    69,318.64x = 103,977.93 × 27,218.53
  4. Step 4: Simplify right side
    69,318.64x = 2,830,126,147.10
  5. Step 5: Solve for x
    x = 2,830,126,147.10/69,318.64
  6. Step 6: Final answer
    x = 40,827.78

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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.