Home / 87,167.87-130,734.60-23,971.69

Finding the Fourth Proportional to 87,167.87, 130,734.60 and 23,971.69

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Solution

The fourth proportional to 87,167.87, 130,734.60 and 23,971.69 is: 35,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,167.87 : 130,734.60 = 23,971.69 : x
  2. Step 2: Convert to fraction form
    87,167.87/130,734.60 = 23,971.69/x
  3. Step 3: Cross multiply
    87,167.87x = 130,734.60 × 23,971.69
  4. Step 4: Simplify right side
    87,167.87x = 3,133,928,886.74
  5. Step 5: Solve for x
    x = 3,133,928,886.74/87,167.87
  6. Step 6: Final answer
    x = 35,952.80

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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.