Home / 54,490.17-81,685.75-48,585.27

Finding the Fourth Proportional to 54,490.17, 81,685.75 and 48,585.27

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Solution

The fourth proportional to 54,490.17, 81,685.75 and 48,585.27 is: 72,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,490.17 : 81,685.75 = 48,585.27 : x
  2. Step 2: Convert to fraction form
    54,490.17/81,685.75 = 48,585.27/x
  3. Step 3: Cross multiply
    54,490.17x = 81,685.75 × 48,585.27
  4. Step 4: Simplify right side
    54,490.17x = 3,968,724,218.90
  5. Step 5: Solve for x
    x = 3,968,724,218.90/54,490.17
  6. Step 6: Final answer
    x = 72,833.76

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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.