Home / 69,811.23-104,688.13-27,685.51

Finding the Fourth Proportional to 69,811.23, 104,688.13 and 27,685.51

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Solution

The fourth proportional to 69,811.23, 104,688.13 and 27,685.51 is: 41,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,811.23 : 104,688.13 = 27,685.51 : x
  2. Step 2: Convert to fraction form
    69,811.23/104,688.13 = 27,685.51/x
  3. Step 3: Cross multiply
    69,811.23x = 104,688.13 × 27,685.51
  4. Step 4: Simplify right side
    69,811.23x = 2,898,344,270.00
  5. Step 5: Solve for x
    x = 2,898,344,270.00/69,811.23
  6. Step 6: Final answer
    x = 41,516.88

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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.