Home / 87,871.23-131,477.58-52,202.48

Finding the Fourth Proportional to 87,871.23, 131,477.58 and 52,202.48

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Solution

The fourth proportional to 87,871.23, 131,477.58 and 52,202.48 is: 78,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,871.23 : 131,477.58 = 52,202.48 : x
  2. Step 2: Convert to fraction form
    87,871.23/131,477.58 = 52,202.48/x
  3. Step 3: Cross multiply
    87,871.23x = 131,477.58 × 52,202.48
  4. Step 4: Simplify right side
    87,871.23x = 6,863,455,083.01
  5. Step 5: Solve for x
    x = 6,863,455,083.01/87,871.23
  6. Step 6: Final answer
    x = 78,108.10

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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.