Home / 87,297.12-131,003.10-47,881.94

Finding the Fourth Proportional to 87,297.12, 131,003.10 and 47,881.94

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Solution

The fourth proportional to 87,297.12, 131,003.10 and 47,881.94 is: 71,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,297.12 : 131,003.10 = 47,881.94 : x
  2. Step 2: Convert to fraction form
    87,297.12/131,003.10 = 47,881.94/x
  3. Step 3: Cross multiply
    87,297.12x = 131,003.10 × 47,881.94
  4. Step 4: Simplify right side
    87,297.12x = 6,272,681,919.00
  5. Step 5: Solve for x
    x = 6,272,681,919.00/87,297.12
  6. Step 6: Final answer
    x = 71,854.40

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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.