Home / 45,063.54-67,602.60-13,891.50

Finding the Fourth Proportional to 45,063.54, 67,602.60 and 13,891.50

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Solution

The fourth proportional to 45,063.54, 67,602.60 and 13,891.50 is: 20,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,063.54 : 67,602.60 = 13,891.50 : x
  2. Step 2: Convert to fraction form
    45,063.54/67,602.60 = 13,891.50/x
  3. Step 3: Cross multiply
    45,063.54x = 67,602.60 × 13,891.50
  4. Step 4: Simplify right side
    45,063.54x = 939,101,517.90
  5. Step 5: Solve for x
    x = 939,101,517.90/45,063.54
  6. Step 6: Final answer
    x = 20,839.50

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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.