Home / 82,872.08-114,362.44-45,145.52

Finding the Fourth Proportional to 82,872.08, 114,362.44 and 45,145.52

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Solution

The fourth proportional to 82,872.08, 114,362.44 and 45,145.52 is: 62,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,872.08 : 114,362.44 = 45,145.52 : x
  2. Step 2: Convert to fraction form
    82,872.08/114,362.44 = 45,145.52/x
  3. Step 3: Cross multiply
    82,872.08x = 114,362.44 × 45,145.52
  4. Step 4: Simplify right side
    82,872.08x = 5,162,951,822.27
  5. Step 5: Solve for x
    x = 5,162,951,822.27/82,872.08
  6. Step 6: Final answer
    x = 62,300.26

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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.