Home / 87,803.23-121,168.75-47,516.97

Finding the Fourth Proportional to 87,803.23, 121,168.75 and 47,516.97

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Solution

The fourth proportional to 87,803.23, 121,168.75 and 47,516.97 is: 65,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,803.23 : 121,168.75 = 47,516.97 : x
  2. Step 2: Convert to fraction form
    87,803.23/121,168.75 = 47,516.97/x
  3. Step 3: Cross multiply
    87,803.23x = 121,168.75 × 47,516.97
  4. Step 4: Simplify right side
    87,803.23x = 5,757,571,285.51
  5. Step 5: Solve for x
    x = 5,757,571,285.51/87,803.23
  6. Step 6: Final answer
    x = 65,573.57

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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.