Home / 73,243.09-109,828.31-23,316.70

Finding the Fourth Proportional to 73,243.09, 109,828.31 and 23,316.70

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Solution

The fourth proportional to 73,243.09, 109,828.31 and 23,316.70 is: 34,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,243.09 : 109,828.31 = 23,316.70 : x
  2. Step 2: Convert to fraction form
    73,243.09/109,828.31 = 23,316.70/x
  3. Step 3: Cross multiply
    73,243.09x = 109,828.31 × 23,316.70
  4. Step 4: Simplify right side
    73,243.09x = 2,560,833,639.19
  5. Step 5: Solve for x
    x = 2,560,833,639.19/73,243.09
  6. Step 6: Final answer
    x = 34,963.48

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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.