Home / 89,105.53-133,574.57-29,899.68

Finding the Fourth Proportional to 89,105.53, 133,574.57 and 29,899.68

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Solution

The fourth proportional to 89,105.53, 133,574.57 and 29,899.68 is: 44,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,105.53 : 133,574.57 = 29,899.68 : x
  2. Step 2: Convert to fraction form
    89,105.53/133,574.57 = 29,899.68/x
  3. Step 3: Cross multiply
    89,105.53x = 133,574.57 × 29,899.68
  4. Step 4: Simplify right side
    89,105.53x = 3,993,836,899.14
  5. Step 5: Solve for x
    x = 3,993,836,899.14/89,105.53
  6. Step 6: Final answer
    x = 44,821.43

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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.