Home / 87,375.61-120,574.06-49,662.01

Finding the Fourth Proportional to 87,375.61, 120,574.06 and 49,662.01

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Solution

The fourth proportional to 87,375.61, 120,574.06 and 49,662.01 is: 68,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,375.61 : 120,574.06 = 49,662.01 : x
  2. Step 2: Convert to fraction form
    87,375.61/120,574.06 = 49,662.01/x
  3. Step 3: Cross multiply
    87,375.61x = 120,574.06 × 49,662.01
  4. Step 4: Simplify right side
    87,375.61x = 5,987,950,173.46
  5. Step 5: Solve for x
    x = 5,987,950,173.46/87,375.61
  6. Step 6: Final answer
    x = 68,531.14

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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.