Home / 69,212.29-103,801.16-22,478.53

Finding the Fourth Proportional to 69,212.29, 103,801.16 and 22,478.53

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Solution

The fourth proportional to 69,212.29, 103,801.16 and 22,478.53 is: 33,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,212.29 : 103,801.16 = 22,478.53 : x
  2. Step 2: Convert to fraction form
    69,212.29/103,801.16 = 22,478.53/x
  3. Step 3: Cross multiply
    69,212.29x = 103,801.16 × 22,478.53
  4. Step 4: Simplify right side
    69,212.29x = 2,333,297,376.70
  5. Step 5: Solve for x
    x = 2,333,297,376.70/69,212.29
  6. Step 6: Final answer
    x = 33,712.18

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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.