Home / 103,029.73-154,487.81-31,932.65

Finding the Fourth Proportional to 103,029.73, 154,487.81 and 31,932.65

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Solution

The fourth proportional to 103,029.73, 154,487.81 and 31,932.65 is: 47,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,029.73 : 154,487.81 = 31,932.65 : x
  2. Step 2: Convert to fraction form
    103,029.73/154,487.81 = 31,932.65/x
  3. Step 3: Cross multiply
    103,029.73x = 154,487.81 × 31,932.65
  4. Step 4: Simplify right side
    103,029.73x = 4,933,205,632.05
  5. Step 5: Solve for x
    x = 4,933,205,632.05/103,029.73
  6. Step 6: Final answer
    x = 47,881.38

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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.