Home / 96,979.82-133,756.16-66,371.02

Finding the Fourth Proportional to 96,979.82, 133,756.16 and 66,371.02

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Solution

The fourth proportional to 96,979.82, 133,756.16 and 66,371.02 is: 91,540.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,979.82 : 133,756.16 = 66,371.02 : x
  2. Step 2: Convert to fraction form
    96,979.82/133,756.16 = 66,371.02/x
  3. Step 3: Cross multiply
    96,979.82x = 133,756.16 × 66,371.02
  4. Step 4: Simplify right side
    96,979.82x = 8,877,532,770.48
  5. Step 5: Solve for x
    x = 8,877,532,770.48/96,979.82
  6. Step 6: Final answer
    x = 91,540.00

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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.