Home / 96,939.38-133,788.81-54,506.12

Finding the Fourth Proportional to 96,939.38, 133,788.81 and 54,506.12

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Solution

The fourth proportional to 96,939.38, 133,788.81 and 54,506.12 is: 75,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,939.38 : 133,788.81 = 54,506.12 : x
  2. Step 2: Convert to fraction form
    96,939.38/133,788.81 = 54,506.12/x
  3. Step 3: Cross multiply
    96,939.38x = 133,788.81 × 54,506.12
  4. Step 4: Simplify right side
    96,939.38x = 7,292,308,467.97
  5. Step 5: Solve for x
    x = 7,292,308,467.97/96,939.38
  6. Step 6: Final answer
    x = 75,225.45

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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.