Home / 69,975.07-104,453.44-61,117.72

Finding the Fourth Proportional to 69,975.07, 104,453.44 and 61,117.72

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Solution

The fourth proportional to 69,975.07, 104,453.44 and 61,117.72 is: 91,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,975.07 : 104,453.44 = 61,117.72 : x
  2. Step 2: Convert to fraction form
    69,975.07/104,453.44 = 61,117.72/x
  3. Step 3: Cross multiply
    69,975.07x = 104,453.44 × 61,117.72
  4. Step 4: Simplify right side
    69,975.07x = 6,383,955,685.03
  5. Step 5: Solve for x
    x = 6,383,955,685.03/69,975.07
  6. Step 6: Final answer
    x = 91,231.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.