Home / 67,910.28-93,716.16-39,610.50

Finding the Fourth Proportional to 67,910.28, 93,716.16 and 39,610.50

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Solution

The fourth proportional to 67,910.28, 93,716.16 and 39,610.50 is: 54,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,910.28 : 93,716.16 = 39,610.50 : x
  2. Step 2: Convert to fraction form
    67,910.28/93,716.16 = 39,610.50/x
  3. Step 3: Cross multiply
    67,910.28x = 93,716.16 × 39,610.50
  4. Step 4: Simplify right side
    67,910.28x = 3,712,143,955.68
  5. Step 5: Solve for x
    x = 3,712,143,955.68/67,910.28
  6. Step 6: Final answer
    x = 54,662.47

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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.