Home / 87,122.93-130,685.83-23,942.66

Finding the Fourth Proportional to 87,122.93, 130,685.83 and 23,942.66

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Solution

The fourth proportional to 87,122.93, 130,685.83 and 23,942.66 is: 35,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,122.93 : 130,685.83 = 23,942.66 : x
  2. Step 2: Convert to fraction form
    87,122.93/130,685.83 = 23,942.66/x
  3. Step 3: Cross multiply
    87,122.93x = 130,685.83 × 23,942.66
  4. Step 4: Simplify right side
    87,122.93x = 3,128,965,621.37
  5. Step 5: Solve for x
    x = 3,128,965,621.37/87,122.93
  6. Step 6: Final answer
    x = 35,914.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.