Home / 106,255.26-159,357.36-31,355.17

Finding the Fourth Proportional to 106,255.26, 159,357.36 and 31,355.17

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Solution

The fourth proportional to 106,255.26, 159,357.36 and 31,355.17 is: 47,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,255.26 : 159,357.36 = 31,355.17 : x
  2. Step 2: Convert to fraction form
    106,255.26/159,357.36 = 31,355.17/x
  3. Step 3: Cross multiply
    106,255.26x = 159,357.36 × 31,355.17
  4. Step 4: Simplify right side
    106,255.26x = 4,996,677,113.55
  5. Step 5: Solve for x
    x = 4,996,677,113.55/106,255.26
  6. Step 6: Final answer
    x = 47,025.22

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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.