Home / 106,246.31-159,332.31-31,346.57

Finding the Fourth Proportional to 106,246.31, 159,332.31 and 31,346.57

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Solution

The fourth proportional to 106,246.31, 159,332.31 and 31,346.57 is: 47,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,246.31 : 159,332.31 = 31,346.57 : x
  2. Step 2: Convert to fraction form
    106,246.31/159,332.31 = 31,346.57/x
  3. Step 3: Cross multiply
    106,246.31x = 159,332.31 × 31,346.57
  4. Step 4: Simplify right side
    106,246.31x = 4,994,521,408.68
  5. Step 5: Solve for x
    x = 4,994,521,408.68/106,246.31
  6. Step 6: Final answer
    x = 47,008.89

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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.