Home / 87,410.40-131,029.20-34,749.60

Finding the Fourth Proportional to 87,410.40, 131,029.20 and 34,749.60

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Solution

The fourth proportional to 87,410.40, 131,029.20 and 34,749.60 is: 52,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.40 : 131,029.20 = 34,749.60 : x
  2. Step 2: Convert to fraction form
    87,410.40/131,029.20 = 34,749.60/x
  3. Step 3: Cross multiply
    87,410.40x = 131,029.20 × 34,749.60
  4. Step 4: Simplify right side
    87,410.40x = 4,553,212,288.32
  5. Step 5: Solve for x
    x = 4,553,212,288.32/87,410.40
  6. Step 6: Final answer
    x = 52,090.05

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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.