Home / 114,722.49-172,083.38-30,491.13

Finding the Fourth Proportional to 114,722.49, 172,083.38 and 30,491.13

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Solution

The fourth proportional to 114,722.49, 172,083.38 and 30,491.13 is: 45,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,722.49 : 172,083.38 = 30,491.13 : x
  2. Step 2: Convert to fraction form
    114,722.49/172,083.38 = 30,491.13/x
  3. Step 3: Cross multiply
    114,722.49x = 172,083.38 × 30,491.13
  4. Step 4: Simplify right side
    114,722.49x = 5,247,016,557.96
  5. Step 5: Solve for x
    x = 5,247,016,557.96/114,722.49
  6. Step 6: Final answer
    x = 45,736.60

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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.