Home / 69,237.24-103,874.55-21,854.26

Finding the Fourth Proportional to 69,237.24, 103,874.55 and 21,854.26

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Solution

The fourth proportional to 69,237.24, 103,874.55 and 21,854.26 is: 32,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,237.24 : 103,874.55 = 21,854.26 : x
  2. Step 2: Convert to fraction form
    69,237.24/103,874.55 = 21,854.26/x
  3. Step 3: Cross multiply
    69,237.24x = 103,874.55 × 21,854.26
  4. Step 4: Simplify right side
    69,237.24x = 2,270,101,423.08
  5. Step 5: Solve for x
    x = 2,270,101,423.08/69,237.24
  6. Step 6: Final answer
    x = 32,787.29

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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.