Home / 87,484.87-131,195.04-31,309.75

Finding the Fourth Proportional to 87,484.87, 131,195.04 and 31,309.75

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Solution

The fourth proportional to 87,484.87, 131,195.04 and 31,309.75 is: 46,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,484.87 : 131,195.04 = 31,309.75 : x
  2. Step 2: Convert to fraction form
    87,484.87/131,195.04 = 31,309.75/x
  3. Step 3: Cross multiply
    87,484.87x = 131,195.04 × 31,309.75
  4. Step 4: Simplify right side
    87,484.87x = 4,107,683,903.64
  5. Step 5: Solve for x
    x = 4,107,683,903.64/87,484.87
  6. Step 6: Final answer
    x = 46,953.08

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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.