Home / 71,223.26-106,785.66-31,223.03

Finding the Fourth Proportional to 71,223.26, 106,785.66 and 31,223.03

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Solution

The fourth proportional to 71,223.26, 106,785.66 and 31,223.03 is: 46,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,223.26 : 106,785.66 = 31,223.03 : x
  2. Step 2: Convert to fraction form
    71,223.26/106,785.66 = 31,223.03/x
  3. Step 3: Cross multiply
    71,223.26x = 106,785.66 × 31,223.03
  4. Step 4: Simplify right side
    71,223.26x = 3,334,171,331.82
  5. Step 5: Solve for x
    x = 3,334,171,331.82/71,223.26
  6. Step 6: Final answer
    x = 46,812.96

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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.