Home / 106,171.52-159,251.86-39,606.40

Finding the Fourth Proportional to 106,171.52, 159,251.86 and 39,606.40

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Solution

The fourth proportional to 106,171.52, 159,251.86 and 39,606.40 is: 59,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,171.52 : 159,251.86 = 39,606.40 : x
  2. Step 2: Convert to fraction form
    106,171.52/159,251.86 = 39,606.40/x
  3. Step 3: Cross multiply
    106,171.52x = 159,251.86 × 39,606.40
  4. Step 4: Simplify right side
    106,171.52x = 6,307,392,867.90
  5. Step 5: Solve for x
    x = 6,307,392,867.90/106,171.52
  6. Step 6: Final answer
    x = 59,407.58

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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.