Home / 87,305.34-130,933.40-37,439.69

Finding the Fourth Proportional to 87,305.34, 130,933.40 and 37,439.69

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Solution

The fourth proportional to 87,305.34, 130,933.40 and 37,439.69 is: 56,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,305.34 : 130,933.40 = 37,439.69 : x
  2. Step 2: Convert to fraction form
    87,305.34/130,933.40 = 37,439.69/x
  3. Step 3: Cross multiply
    87,305.34x = 130,933.40 × 37,439.69
  4. Step 4: Simplify right side
    87,305.34x = 4,902,105,251.98
  5. Step 5: Solve for x
    x = 4,902,105,251.98/87,305.34
  6. Step 6: Final answer
    x = 56,148.97

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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.