Home / 82,441.79-123,671.65-26,268.69

Finding the Fourth Proportional to 82,441.79, 123,671.65 and 26,268.69

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Solution

The fourth proportional to 82,441.79, 123,671.65 and 26,268.69 is: 39,405.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,441.79 : 123,671.65 = 26,268.69 : x
  2. Step 2: Convert to fraction form
    82,441.79/123,671.65 = 26,268.69/x
  3. Step 3: Cross multiply
    82,441.79x = 123,671.65 × 26,268.69
  4. Step 4: Simplify right side
    82,441.79x = 3,248,692,169.97
  5. Step 5: Solve for x
    x = 3,248,692,169.97/82,441.79
  6. Step 6: Final answer
    x = 39,405.89

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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.