Home / 87,051.20-130,588.43-34,448.39

Finding the Fourth Proportional to 87,051.20, 130,588.43 and 34,448.39

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Solution

The fourth proportional to 87,051.20, 130,588.43 and 34,448.39 is: 51,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,051.20 : 130,588.43 = 34,448.39 : x
  2. Step 2: Convert to fraction form
    87,051.20/130,588.43 = 34,448.39/x
  3. Step 3: Cross multiply
    87,051.20x = 130,588.43 × 34,448.39
  4. Step 4: Simplify right side
    87,051.20x = 4,498,560,993.89
  5. Step 5: Solve for x
    x = 4,498,560,993.89/87,051.20
  6. Step 6: Final answer
    x = 51,677.19

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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.