Home / 89,588.28-134,288.13-45,121.62

Finding the Fourth Proportional to 89,588.28, 134,288.13 and 45,121.62

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Solution

The fourth proportional to 89,588.28, 134,288.13 and 45,121.62 is: 67,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,588.28 : 134,288.13 = 45,121.62 : x
  2. Step 2: Convert to fraction form
    89,588.28/134,288.13 = 45,121.62/x
  3. Step 3: Cross multiply
    89,588.28x = 134,288.13 × 45,121.62
  4. Step 4: Simplify right side
    89,588.28x = 6,059,297,972.37
  5. Step 5: Solve for x
    x = 6,059,297,972.37/89,588.28
  6. Step 6: Final answer
    x = 67,634.94

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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.