Home / 89,712.08-134,589.12-27,382.56

Finding the Fourth Proportional to 89,712.08, 134,589.12 and 27,382.56

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Solution

The fourth proportional to 89,712.08, 134,589.12 and 27,382.56 is: 41,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712.08 : 134,589.12 = 27,382.56 : x
  2. Step 2: Convert to fraction form
    89,712.08/134,589.12 = 27,382.56/x
  3. Step 3: Cross multiply
    89,712.08x = 134,589.12 × 27,382.56
  4. Step 4: Simplify right side
    89,712.08x = 3,685,394,653.75
  5. Step 5: Solve for x
    x = 3,685,394,653.75/89,712.08
  6. Step 6: Final answer
    x = 41,080.25

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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.