Home / 71,317.20-106,935.30-26,945.40

Finding the Fourth Proportional to 71,317.20, 106,935.30 and 26,945.40

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Solution

The fourth proportional to 71,317.20, 106,935.30 and 26,945.40 is: 40,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,317.20 : 106,935.30 = 26,945.40 : x
  2. Step 2: Convert to fraction form
    71,317.20/106,935.30 = 26,945.40/x
  3. Step 3: Cross multiply
    71,317.20x = 106,935.30 × 26,945.40
  4. Step 4: Simplify right side
    71,317.20x = 2,881,414,432.62
  5. Step 5: Solve for x
    x = 2,881,414,432.62/71,317.20
  6. Step 6: Final answer
    x = 40,402.80

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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.