Home / 87,114.11-130,556.34-34,494.89

Finding the Fourth Proportional to 87,114.11, 130,556.34 and 34,494.89

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Solution

The fourth proportional to 87,114.11, 130,556.34 and 34,494.89 is: 51,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,114.11 : 130,556.34 = 34,494.89 : x
  2. Step 2: Convert to fraction form
    87,114.11/130,556.34 = 34,494.89/x
  3. Step 3: Cross multiply
    87,114.11x = 130,556.34 × 34,494.89
  4. Step 4: Simplify right side
    87,114.11x = 4,503,525,934.32
  5. Step 5: Solve for x
    x = 4,503,525,934.32/87,114.11
  6. Step 6: Final answer
    x = 51,696.86

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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.