Home / 69,330.24-103,995.28-27,806.40

Finding the Fourth Proportional to 69,330.24, 103,995.28 and 27,806.40

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Solution

The fourth proportional to 69,330.24, 103,995.28 and 27,806.40 is: 41,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,330.24 : 103,995.28 = 27,806.40 : x
  2. Step 2: Convert to fraction form
    69,330.24/103,995.28 = 27,806.40/x
  3. Step 3: Cross multiply
    69,330.24x = 103,995.28 × 27,806.40
  4. Step 4: Simplify right side
    69,330.24x = 2,891,734,353.79
  5. Step 5: Solve for x
    x = 2,891,734,353.79/69,330.24
  6. Step 6: Final answer
    x = 41,709.57

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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.