Home / 72,529.29-108,960.73-51,520.46

Finding the Fourth Proportional to 72,529.29, 108,960.73 and 51,520.46

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Solution

The fourth proportional to 72,529.29, 108,960.73 and 51,520.46 is: 77,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,529.29 : 108,960.73 = 51,520.46 : x
  2. Step 2: Convert to fraction form
    72,529.29/108,960.73 = 51,520.46/x
  3. Step 3: Cross multiply
    72,529.29x = 108,960.73 × 51,520.46
  4. Step 4: Simplify right side
    72,529.29x = 5,613,706,257.93
  5. Step 5: Solve for x
    x = 5,613,706,257.93/72,529.29
  6. Step 6: Final answer
    x = 77,399.16

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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.