Home / 106,374.78-159,561.68-31,495.38

Finding the Fourth Proportional to 106,374.78, 159,561.68 and 31,495.38

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Solution

The fourth proportional to 106,374.78, 159,561.68 and 31,495.38 is: 47,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,374.78 : 159,561.68 = 31,495.38 : x
  2. Step 2: Convert to fraction form
    106,374.78/159,561.68 = 31,495.38/x
  3. Step 3: Cross multiply
    106,374.78x = 159,561.68 × 31,495.38
  4. Step 4: Simplify right side
    106,374.78x = 5,025,455,587.56
  5. Step 5: Solve for x
    x = 5,025,455,587.56/106,374.78
  6. Step 6: Final answer
    x = 47,242.92

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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.