Home / 54,269.28-81,383.76-19,199.52

Finding the Fourth Proportional to 54,269.28, 81,383.76 and 19,199.52

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Solution

The fourth proportional to 54,269.28, 81,383.76 and 19,199.52 is: 28,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,269.28 : 81,383.76 = 19,199.52 : x
  2. Step 2: Convert to fraction form
    54,269.28/81,383.76 = 19,199.52/x
  3. Step 3: Cross multiply
    54,269.28x = 81,383.76 × 19,199.52
  4. Step 4: Simplify right side
    54,269.28x = 1,562,529,127.80
  5. Step 5: Solve for x
    x = 1,562,529,127.80/54,269.28
  6. Step 6: Final answer
    x = 28,792.15

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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.