Home / 82,285.04-123,431.76-26,120.84

Finding the Fourth Proportional to 82,285.04, 123,431.76 and 26,120.84

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Solution

The fourth proportional to 82,285.04, 123,431.76 and 26,120.84 is: 39,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,285.04 : 123,431.76 = 26,120.84 : x
  2. Step 2: Convert to fraction form
    82,285.04/123,431.76 = 26,120.84/x
  3. Step 3: Cross multiply
    82,285.04x = 123,431.76 × 26,120.84
  4. Step 4: Simplify right side
    82,285.04x = 3,224,141,253.88
  5. Step 5: Solve for x
    x = 3,224,141,253.88/82,285.04
  6. Step 6: Final answer
    x = 39,182.59

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1.5x scale

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.