Home / 89,441.18-134,161.78-27,111.68

Finding the Fourth Proportional to 89,441.18, 134,161.78 and 27,111.68

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Solution

The fourth proportional to 89,441.18, 134,161.78 and 27,111.68 is: 40,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,441.18 : 134,161.78 = 27,111.68 : x
  2. Step 2: Convert to fraction form
    89,441.18/134,161.78 = 27,111.68/x
  3. Step 3: Cross multiply
    89,441.18x = 134,161.78 × 27,111.68
  4. Step 4: Simplify right side
    89,441.18x = 3,637,351,247.59
  5. Step 5: Solve for x
    x = 3,637,351,247.59/89,441.18
  6. Step 6: Final answer
    x = 40,667.52

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Similar ratio
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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.