Home / 69,318.24-103,977.28-27,794.40

Finding the Fourth Proportional to 69,318.24, 103,977.28 and 27,794.40

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Solution

The fourth proportional to 69,318.24, 103,977.28 and 27,794.40 is: 41,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,318.24 : 103,977.28 = 27,794.40 : x
  2. Step 2: Convert to fraction form
    69,318.24/103,977.28 = 27,794.40/x
  3. Step 3: Cross multiply
    69,318.24x = 103,977.28 × 27,794.40
  4. Step 4: Simplify right side
    69,318.24x = 2,889,986,111.23
  5. Step 5: Solve for x
    x = 2,889,986,111.23/69,318.24
  6. Step 6: Final answer
    x = 41,691.57

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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.