Home / 137,046.24-205,673.22-58,215.78

Finding the Fourth Proportional to 137,046.24, 205,673.22 and 58,215.78

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Solution

The fourth proportional to 137,046.24, 205,673.22 and 58,215.78 is: 87,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,046.24 : 205,673.22 = 58,215.78 : x
  2. Step 2: Convert to fraction form
    137,046.24/205,673.22 = 58,215.78/x
  3. Step 3: Cross multiply
    137,046.24x = 205,673.22 × 58,215.78
  4. Step 4: Simplify right side
    137,046.24x = 11,973,426,927.41
  5. Step 5: Solve for x
    x = 11,973,426,927.41/137,046.24
  6. Step 6: Final answer
    x = 87,367.79

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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.