Home / 87,051.70-130,589.18-34,448.89

Finding the Fourth Proportional to 87,051.70, 130,589.18 and 34,448.89

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Solution

The fourth proportional to 87,051.70, 130,589.18 and 34,448.89 is: 51,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,051.70 : 130,589.18 = 34,448.89 : x
  2. Step 2: Convert to fraction form
    87,051.70/130,589.18 = 34,448.89/x
  3. Step 3: Cross multiply
    87,051.70x = 130,589.18 × 34,448.89
  4. Step 4: Simplify right side
    87,051.70x = 4,498,652,124.77
  5. Step 5: Solve for x
    x = 4,498,652,124.77/87,051.70
  6. Step 6: Final answer
    x = 51,677.94

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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.