Home / 69,851.13-104,738.40-27,688.50

Finding the Fourth Proportional to 69,851.13, 104,738.40 and 27,688.50

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Solution

The fourth proportional to 69,851.13, 104,738.40 and 27,688.50 is: 41,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,851.13 : 104,738.40 = 27,688.50 : x
  2. Step 2: Convert to fraction form
    69,851.13/104,738.40 = 27,688.50/x
  3. Step 3: Cross multiply
    69,851.13x = 104,738.40 × 27,688.50
  4. Step 4: Simplify right side
    69,851.13x = 2,900,049,188.40
  5. Step 5: Solve for x
    x = 2,900,049,188.40/69,851.13
  6. Step 6: Final answer
    x = 41,517.57

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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.