Home / 50,111.46-75,114.38-18,501.28

Finding the Fourth Proportional to 50,111.46, 75,114.38 and 18,501.28

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Solution

The fourth proportional to 50,111.46, 75,114.38 and 18,501.28 is: 27,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,111.46 : 75,114.38 = 18,501.28 : x
  2. Step 2: Convert to fraction form
    50,111.46/75,114.38 = 18,501.28/x
  3. Step 3: Cross multiply
    50,111.46x = 75,114.38 × 18,501.28
  4. Step 4: Simplify right side
    50,111.46x = 1,389,711,823.96
  5. Step 5: Solve for x
    x = 1,389,711,823.96/50,111.46
  6. Step 6: Final answer
    x = 27,732.42

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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.