Home / 259,871.38-389,807.09-62,879.38

Finding the Fourth Proportional to 259,871.38, 389,807.09 and 62,879.38

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Solution

The fourth proportional to 259,871.38, 389,807.09 and 62,879.38 is: 94,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,871.38 : 389,807.09 = 62,879.38 : x
  2. Step 2: Convert to fraction form
    259,871.38/389,807.09 = 62,879.38/x
  3. Step 3: Cross multiply
    259,871.38x = 389,807.09 × 62,879.38
  4. Step 4: Simplify right side
    259,871.38x = 24,510,825,875.37
  5. Step 5: Solve for x
    x = 24,510,825,875.37/259,871.38
  6. Step 6: Final answer
    x = 94,319.07

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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.