Home / 87,206.05-130,838.20-33,899.83

Finding the Fourth Proportional to 87,206.05, 130,838.20 and 33,899.83

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Solution

The fourth proportional to 87,206.05, 130,838.20 and 33,899.83 is: 50,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,206.05 : 130,838.20 = 33,899.83 : x
  2. Step 2: Convert to fraction form
    87,206.05/130,838.20 = 33,899.83/x
  3. Step 3: Cross multiply
    87,206.05x = 130,838.20 × 33,899.83
  4. Step 4: Simplify right side
    87,206.05x = 4,435,392,737.51
  5. Step 5: Solve for x
    x = 4,435,392,737.51/87,206.05
  6. Step 6: Final answer
    x = 50,861.07

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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.