Home / 69,967.10-104,887.28-27,872.12

Finding the Fourth Proportional to 69,967.10, 104,887.28 and 27,872.12

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Solution

The fourth proportional to 69,967.10, 104,887.28 and 27,872.12 is: 41,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,967.10 : 104,887.28 = 27,872.12 : x
  2. Step 2: Convert to fraction form
    69,967.10/104,887.28 = 27,872.12/x
  3. Step 3: Cross multiply
    69,967.10x = 104,887.28 × 27,872.12
  4. Step 4: Simplify right side
    69,967.10x = 2,923,430,854.63
  5. Step 5: Solve for x
    x = 2,923,430,854.63/69,967.10
  6. Step 6: Final answer
    x = 41,782.94

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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.