Home / 67,440.12-101,165.04-25,887.12

Finding the Fourth Proportional to 67,440.12, 101,165.04 and 25,887.12

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Solution

The fourth proportional to 67,440.12, 101,165.04 and 25,887.12 is: 38,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,440.12 : 101,165.04 = 25,887.12 : x
  2. Step 2: Convert to fraction form
    67,440.12/101,165.04 = 25,887.12/x
  3. Step 3: Cross multiply
    67,440.12x = 101,165.04 × 25,887.12
  4. Step 4: Simplify right side
    67,440.12x = 2,618,871,530.28
  5. Step 5: Solve for x
    x = 2,618,871,530.28/67,440.12
  6. Step 6: Final answer
    x = 38,832.55

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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.