Home / 82,001.44-113,118.88-51,775.84

Finding the Fourth Proportional to 82,001.44, 113,118.88 and 51,775.84

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Solution

The fourth proportional to 82,001.44, 113,118.88 and 51,775.84 is: 71,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,001.44 : 113,118.88 = 51,775.84 : x
  2. Step 2: Convert to fraction form
    82,001.44/113,118.88 = 51,775.84/x
  3. Step 3: Cross multiply
    82,001.44x = 113,118.88 × 51,775.84
  4. Step 4: Simplify right side
    82,001.44x = 5,856,825,031.86
  5. Step 5: Solve for x
    x = 5,856,825,031.86/82,001.44
  6. Step 6: Final answer
    x = 71,423.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.