Home / 82,533.20-123,819.06-65,729.84

Finding the Fourth Proportional to 82,533.20, 123,819.06 and 65,729.84

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Solution

The fourth proportional to 82,533.20, 123,819.06 and 65,729.84 is: 98,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,533.20 : 123,819.06 = 65,729.84 : x
  2. Step 2: Convert to fraction form
    82,533.20/123,819.06 = 65,729.84/x
  3. Step 3: Cross multiply
    82,533.20x = 123,819.06 × 65,729.84
  4. Step 4: Simplify right side
    82,533.20x = 8,138,607,002.75
  5. Step 5: Solve for x
    x = 8,138,607,002.75/82,533.20
  6. Step 6: Final answer
    x = 98,610.10

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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.