Home / 106,258.38-159,362.04-31,358.28

Finding the Fourth Proportional to 106,258.38, 159,362.04 and 31,358.28

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Solution

The fourth proportional to 106,258.38, 159,362.04 and 31,358.28 is: 47,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,258.38 : 159,362.04 = 31,358.28 : x
  2. Step 2: Convert to fraction form
    106,258.38/159,362.04 = 31,358.28/x
  3. Step 3: Cross multiply
    106,258.38x = 159,362.04 × 31,358.28
  4. Step 4: Simplify right side
    106,258.38x = 4,997,319,471.69
  5. Step 5: Solve for x
    x = 4,997,319,471.69/106,258.38
  6. Step 6: Final answer
    x = 47,029.89

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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.