Home / 67,997.16-101,995.60-18,077.24

Finding the Fourth Proportional to 67,997.16, 101,995.60 and 18,077.24

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Solution

The fourth proportional to 67,997.16, 101,995.60 and 18,077.24 is: 27,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,997.16 : 101,995.60 = 18,077.24 : x
  2. Step 2: Convert to fraction form
    67,997.16/101,995.60 = 18,077.24/x
  3. Step 3: Cross multiply
    67,997.16x = 101,995.60 × 18,077.24
  4. Step 4: Simplify right side
    67,997.16x = 1,843,798,940.14
  5. Step 5: Solve for x
    x = 1,843,798,940.14/67,997.16
  6. Step 6: Final answer
    x = 27,115.82

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1.5x scale

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.