Home / 75,321.32-112,844.28-35,266.82

Finding the Fourth Proportional to 75,321.32, 112,844.28 and 35,266.82

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Solution

The fourth proportional to 75,321.32, 112,844.28 and 35,266.82 is: 52,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,321.32 : 112,844.28 = 35,266.82 : x
  2. Step 2: Convert to fraction form
    75,321.32/112,844.28 = 35,266.82/x
  3. Step 3: Cross multiply
    75,321.32x = 112,844.28 × 35,266.82
  4. Step 4: Simplify right side
    75,321.32x = 3,979,658,910.79
  5. Step 5: Solve for x
    x = 3,979,658,910.79/75,321.32
  6. Step 6: Final answer
    x = 52,835.76

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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.