Home / 54,511.20-81,572.40-37,792.80

Finding the Fourth Proportional to 54,511.20, 81,572.40 and 37,792.80

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Solution

The fourth proportional to 54,511.20, 81,572.40 and 37,792.80 is: 56,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.20 : 81,572.40 = 37,792.80 : x
  2. Step 2: Convert to fraction form
    54,511.20/81,572.40 = 37,792.80/x
  3. Step 3: Cross multiply
    54,511.20x = 81,572.40 × 37,792.80
  4. Step 4: Simplify right side
    54,511.20x = 3,082,849,398.72
  5. Step 5: Solve for x
    x = 3,082,849,398.72/54,511.20
  6. Step 6: Final answer
    x = 56,554.42

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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.