Home / 96,871.20-133,680.54-59,145.42

Finding the Fourth Proportional to 96,871.20, 133,680.54 and 59,145.42

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Solution

The fourth proportional to 96,871.20, 133,680.54 and 59,145.42 is: 81,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,871.20 : 133,680.54 = 59,145.42 : x
  2. Step 2: Convert to fraction form
    96,871.20/133,680.54 = 59,145.42/x
  3. Step 3: Cross multiply
    96,871.20x = 133,680.54 × 59,145.42
  4. Step 4: Simplify right side
    96,871.20x = 7,906,591,684.13
  5. Step 5: Solve for x
    x = 7,906,591,684.13/96,871.20
  6. Step 6: Final answer
    x = 81,619.63

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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.