Home / 87,433.65-131,136.48-31,263.29

Finding the Fourth Proportional to 87,433.65, 131,136.48 and 31,263.29

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Solution

The fourth proportional to 87,433.65, 131,136.48 and 31,263.29 is: 46,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,433.65 : 131,136.48 = 31,263.29 : x
  2. Step 2: Convert to fraction form
    87,433.65/131,136.48 = 31,263.29/x
  3. Step 3: Cross multiply
    87,433.65x = 131,136.48 × 31,263.29
  4. Step 4: Simplify right side
    87,433.65x = 4,099,757,803.82
  5. Step 5: Solve for x
    x = 4,099,757,803.82/87,433.65
  6. Step 6: Final answer
    x = 46,889.93

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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.