Home / 82,272.04-123,408.09-26,118.11

Finding the Fourth Proportional to 82,272.04, 123,408.09 and 26,118.11

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Solution

The fourth proportional to 82,272.04, 123,408.09 and 26,118.11 is: 39,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,272.04 : 123,408.09 = 26,118.11 : x
  2. Step 2: Convert to fraction form
    82,272.04/123,408.09 = 26,118.11/x
  3. Step 3: Cross multiply
    82,272.04x = 123,408.09 × 26,118.11
  4. Step 4: Simplify right side
    82,272.04x = 3,223,186,378.03
  5. Step 5: Solve for x
    x = 3,223,186,378.03/82,272.04
  6. Step 6: Final answer
    x = 39,177.18

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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.