Home / 96,661.13-133,393.38-54,218.75

Finding the Fourth Proportional to 96,661.13, 133,393.38 and 54,218.75

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Solution

The fourth proportional to 96,661.13, 133,393.38 and 54,218.75 is: 74,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,661.13 : 133,393.38 = 54,218.75 : x
  2. Step 2: Convert to fraction form
    96,661.13/133,393.38 = 54,218.75/x
  3. Step 3: Cross multiply
    96,661.13x = 133,393.38 × 54,218.75
  4. Step 4: Simplify right side
    96,661.13x = 7,232,422,321.88
  5. Step 5: Solve for x
    x = 7,232,422,321.88/96,661.13
  6. Step 6: Final answer
    x = 74,822.45

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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.