Home / 54,152.94-81,231.54-16,709.68

Finding the Fourth Proportional to 54,152.94, 81,231.54 and 16,709.68

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Solution

The fourth proportional to 54,152.94, 81,231.54 and 16,709.68 is: 25,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,152.94 : 81,231.54 = 16,709.68 : x
  2. Step 2: Convert to fraction form
    54,152.94/81,231.54 = 16,709.68/x
  3. Step 3: Cross multiply
    54,152.94x = 81,231.54 × 16,709.68
  4. Step 4: Simplify right side
    54,152.94x = 1,357,353,039.31
  5. Step 5: Solve for x
    x = 1,357,353,039.31/54,152.94
  6. Step 6: Final answer
    x = 25,065.18

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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.