Home / 89,279.47-133,927.07-33,120.19

Finding the Fourth Proportional to 89,279.47, 133,927.07 and 33,120.19

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Solution

The fourth proportional to 89,279.47, 133,927.07 and 33,120.19 is: 49,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,279.47 : 133,927.07 = 33,120.19 : x
  2. Step 2: Convert to fraction form
    89,279.47/133,927.07 = 33,120.19/x
  3. Step 3: Cross multiply
    89,279.47x = 133,927.07 × 33,120.19
  4. Step 4: Simplify right side
    89,279.47x = 4,435,690,004.54
  5. Step 5: Solve for x
    x = 4,435,690,004.54/89,279.47
  6. Step 6: Final answer
    x = 49,683.20

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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.