Home / 62,715.24-86,496.33-55,145.79

Finding the Fourth Proportional to 62,715.24, 86,496.33 and 55,145.79

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Solution

The fourth proportional to 62,715.24, 86,496.33 and 55,145.79 is: 76,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,715.24 : 86,496.33 = 55,145.79 : x
  2. Step 2: Convert to fraction form
    62,715.24/86,496.33 = 55,145.79/x
  3. Step 3: Cross multiply
    62,715.24x = 86,496.33 × 55,145.79
  4. Step 4: Simplify right side
    62,715.24x = 4,769,908,449.95
  5. Step 5: Solve for x
    x = 4,769,908,449.95/62,715.24
  6. Step 6: Final answer
    x = 76,056.61

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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.