Home / 54,086.36-74,674.20-48,411.20

Finding the Fourth Proportional to 54,086.36, 74,674.20 and 48,411.20

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Solution

The fourth proportional to 54,086.36, 74,674.20 and 48,411.20 is: 66,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,086.36 : 74,674.20 = 48,411.20 : x
  2. Step 2: Convert to fraction form
    54,086.36/74,674.20 = 48,411.20/x
  3. Step 3: Cross multiply
    54,086.36x = 74,674.20 × 48,411.20
  4. Step 4: Simplify right side
    54,086.36x = 3,615,067,631.04
  5. Step 5: Solve for x
    x = 3,615,067,631.04/54,086.36
  6. Step 6: Final answer
    x = 66,838.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.