Home / 125,101.26-187,739.37-55,029.66

Finding the Fourth Proportional to 125,101.26, 187,739.37 and 55,029.66

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Solution

The fourth proportional to 125,101.26, 187,739.37 and 55,029.66 is: 82,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,101.26 : 187,739.37 = 55,029.66 : x
  2. Step 2: Convert to fraction form
    125,101.26/187,739.37 = 55,029.66/x
  3. Step 3: Cross multiply
    125,101.26x = 187,739.37 × 55,029.66
  4. Step 4: Simplify right side
    125,101.26x = 10,331,233,699.71
  5. Step 5: Solve for x
    x = 10,331,233,699.71/125,101.26
  6. Step 6: Final answer
    x = 82,582.97

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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.