Home / 49,728.33-74,569.01-18,116.26

Finding the Fourth Proportional to 49,728.33, 74,569.01 and 18,116.26

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Solution

The fourth proportional to 49,728.33, 74,569.01 and 18,116.26 is: 27,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.33 : 74,569.01 = 18,116.26 : x
  2. Step 2: Convert to fraction form
    49,728.33/74,569.01 = 18,116.26/x
  3. Step 3: Cross multiply
    49,728.33x = 74,569.01 × 18,116.26
  4. Step 4: Simplify right side
    49,728.33x = 1,350,911,296.10
  5. Step 5: Solve for x
    x = 1,350,911,296.10/49,728.33
  6. Step 6: Final answer
    x = 27,165.83

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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.