Home / 40,134.12-60,179.26-31,867.24

Finding the Fourth Proportional to 40,134.12, 60,179.26 and 31,867.24

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Solution

The fourth proportional to 40,134.12, 60,179.26 and 31,867.24 is: 47,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.12 : 60,179.26 = 31,867.24 : x
  2. Step 2: Convert to fraction form
    40,134.12/60,179.26 = 31,867.24/x
  3. Step 3: Cross multiply
    40,134.12x = 60,179.26 × 31,867.24
  4. Step 4: Simplify right side
    40,134.12x = 1,917,746,921.44
  5. Step 5: Solve for x
    x = 1,917,746,921.44/40,134.12
  6. Step 6: Final answer
    x = 47,783.46

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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.