Home / 103,615.26-155,419.25-33,492.75

Finding the Fourth Proportional to 103,615.26, 155,419.25 and 33,492.75

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Solution

The fourth proportional to 103,615.26, 155,419.25 and 33,492.75 is: 50,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615.26 : 155,419.25 = 33,492.75 : x
  2. Step 2: Convert to fraction form
    103,615.26/155,419.25 = 33,492.75/x
  3. Step 3: Cross multiply
    103,615.26x = 155,419.25 × 33,492.75
  4. Step 4: Simplify right side
    103,615.26x = 5,205,417,917.97
  5. Step 5: Solve for x
    x = 5,205,417,917.97/103,615.26
  6. Step 6: Final answer
    x = 50,237.95

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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.