Home / 89,478.75-134,218.94-27,149.25

Finding the Fourth Proportional to 89,478.75, 134,218.94 and 27,149.25

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Solution

The fourth proportional to 89,478.75, 134,218.94 and 27,149.25 is: 40,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478.75 : 134,218.94 = 27,149.25 : x
  2. Step 2: Convert to fraction form
    89,478.75/134,218.94 = 27,149.25/x
  3. Step 3: Cross multiply
    89,478.75x = 134,218.94 × 27,149.25
  4. Step 4: Simplify right side
    89,478.75x = 3,643,943,421.05
  5. Step 5: Solve for x
    x = 3,643,943,421.05/89,478.75
  6. Step 6: Final answer
    x = 40,724.12

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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.