Home / 67,869.14-101,812.32-25,763.90

Finding the Fourth Proportional to 67,869.14, 101,812.32 and 25,763.90

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Solution

The fourth proportional to 67,869.14, 101,812.32 and 25,763.90 is: 38,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,869.14 : 101,812.32 = 25,763.90 : x
  2. Step 2: Convert to fraction form
    67,869.14/101,812.32 = 25,763.90/x
  3. Step 3: Cross multiply
    67,869.14x = 101,812.32 × 25,763.90
  4. Step 4: Simplify right side
    67,869.14x = 2,623,082,431.25
  5. Step 5: Solve for x
    x = 2,623,082,431.25/67,869.14
  6. Step 6: Final answer
    x = 38,649.12

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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.