Home / 96,640.09-133,331.88-54,190.42

Finding the Fourth Proportional to 96,640.09, 133,331.88 and 54,190.42

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Solution

The fourth proportional to 96,640.09, 133,331.88 and 54,190.42 is: 74,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,640.09 : 133,331.88 = 54,190.42 : x
  2. Step 2: Convert to fraction form
    96,640.09/133,331.88 = 54,190.42/x
  3. Step 3: Cross multiply
    96,640.09x = 133,331.88 × 54,190.42
  4. Step 4: Simplify right side
    96,640.09x = 7,225,310,576.59
  5. Step 5: Solve for x
    x = 7,225,310,576.59/96,640.09
  6. Step 6: Final answer
    x = 74,765.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.