Home / 54,836.08-82,254.12-31,412.56

Finding the Fourth Proportional to 54,836.08, 82,254.12 and 31,412.56

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Solution

The fourth proportional to 54,836.08, 82,254.12 and 31,412.56 is: 47,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,836.08 : 82,254.12 = 31,412.56 : x
  2. Step 2: Convert to fraction form
    54,836.08/82,254.12 = 31,412.56/x
  3. Step 3: Cross multiply
    54,836.08x = 82,254.12 × 31,412.56
  4. Step 4: Simplify right side
    54,836.08x = 2,583,812,479.75
  5. Step 5: Solve for x
    x = 2,583,812,479.75/54,836.08
  6. Step 6: Final answer
    x = 47,118.84

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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.