Home / 54,683.52-81,933.12-36,159.36

Finding the Fourth Proportional to 54,683.52, 81,933.12 and 36,159.36

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Solution

The fourth proportional to 54,683.52, 81,933.12 and 36,159.36 is: 54,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683.52 : 81,933.12 = 36,159.36 : x
  2. Step 2: Convert to fraction form
    54,683.52/81,933.12 = 36,159.36/x
  3. Step 3: Cross multiply
    54,683.52x = 81,933.12 × 36,159.36
  4. Step 4: Simplify right side
    54,683.52x = 2,962,649,182.00
  5. Step 5: Solve for x
    x = 2,962,649,182.00/54,683.52
  6. Step 6: Final answer
    x = 54,178.10

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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.