Home / 71,301.07-106,951.31-17,993.17

Finding the Fourth Proportional to 71,301.07, 106,951.31 and 17,993.17

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Solution

The fourth proportional to 71,301.07, 106,951.31 and 17,993.17 is: 26,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,301.07 : 106,951.31 = 17,993.17 : x
  2. Step 2: Convert to fraction form
    71,301.07/106,951.31 = 17,993.17/x
  3. Step 3: Cross multiply
    71,301.07x = 106,951.31 × 17,993.17
  4. Step 4: Simplify right side
    71,301.07x = 1,924,393,102.55
  5. Step 5: Solve for x
    x = 1,924,393,102.55/71,301.07
  6. Step 6: Final answer
    x = 26,989.68

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1.5x scale

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.