Home / 87,936.08-121,362.46-49,697.24

Finding the Fourth Proportional to 87,936.08, 121,362.46 and 49,697.24

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Solution

The fourth proportional to 87,936.08, 121,362.46 and 49,697.24 is: 68,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936.08 : 121,362.46 = 49,697.24 : x
  2. Step 2: Convert to fraction form
    87,936.08/121,362.46 = 49,697.24/x
  3. Step 3: Cross multiply
    87,936.08x = 121,362.46 × 49,697.24
  4. Step 4: Simplify right side
    87,936.08x = 6,031,379,301.61
  5. Step 5: Solve for x
    x = 6,031,379,301.61/87,936.08
  6. Step 6: Final answer
    x = 68,588.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.