Home / 62,268.75-93,403.13-20,715.75

Finding the Fourth Proportional to 62,268.75, 93,403.13 and 20,715.75

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Solution

The fourth proportional to 62,268.75, 93,403.13 and 20,715.75 is: 31,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,268.75 : 93,403.13 = 20,715.75 : x
  2. Step 2: Convert to fraction form
    62,268.75/93,403.13 = 20,715.75/x
  3. Step 3: Cross multiply
    62,268.75x = 93,403.13 × 20,715.75
  4. Step 4: Simplify right side
    62,268.75x = 1,934,915,786.72
  5. Step 5: Solve for x
    x = 1,934,915,786.72/62,268.75
  6. Step 6: Final answer
    x = 31,073.63

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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.