Home / 73,892.32-110,887-27,145.60

Finding the Fourth Proportional to 73,892.32, 110,887 and 27,145.60

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Solution

The fourth proportional to 73,892.32, 110,887 and 27,145.60 is: 40,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,892.32 : 110,887 = 27,145.60 : x
  2. Step 2: Convert to fraction form
    73,892.32/110,887 = 27,145.60/x
  3. Step 3: Cross multiply
    73,892.32x = 110,887 × 27,145.60
  4. Step 4: Simplify right side
    73,892.32x = 3,010,094,147.20
  5. Step 5: Solve for x
    x = 3,010,094,147.20/73,892.32
  6. Step 6: Final answer
    x = 40,736.22

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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.