Home / 73,343.70-109,952.52-31,185.18

Finding the Fourth Proportional to 73,343.70, 109,952.52 and 31,185.18

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Solution

The fourth proportional to 73,343.70, 109,952.52 and 31,185.18 is: 46,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,343.70 : 109,952.52 = 31,185.18 : x
  2. Step 2: Convert to fraction form
    73,343.70/109,952.52 = 31,185.18/x
  3. Step 3: Cross multiply
    73,343.70x = 109,952.52 × 31,185.18
  4. Step 4: Simplify right side
    73,343.70x = 3,428,889,127.65
  5. Step 5: Solve for x
    x = 3,428,889,127.65/73,343.70
  6. Step 6: Final answer
    x = 46,750.97

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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.