Home / 87,736.10-121,174.18-59,392.58

Finding the Fourth Proportional to 87,736.10, 121,174.18 and 59,392.58

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Solution

The fourth proportional to 87,736.10, 121,174.18 and 59,392.58 is: 82,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,736.10 : 121,174.18 = 59,392.58 : x
  2. Step 2: Convert to fraction form
    87,736.10/121,174.18 = 59,392.58/x
  3. Step 3: Cross multiply
    87,736.10x = 121,174.18 × 59,392.58
  4. Step 4: Simplify right side
    87,736.10x = 7,196,846,425.23
  5. Step 5: Solve for x
    x = 7,196,846,425.23/87,736.10
  6. Step 6: Final answer
    x = 82,028.34

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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.