Home / 70,826.20-106,228.77-26,447.38

Finding the Fourth Proportional to 70,826.20, 106,228.77 and 26,447.38

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Solution

The fourth proportional to 70,826.20, 106,228.77 and 26,447.38 is: 39,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,826.20 : 106,228.77 = 26,447.38 : x
  2. Step 2: Convert to fraction form
    70,826.20/106,228.77 = 26,447.38/x
  3. Step 3: Cross multiply
    70,826.20x = 106,228.77 × 26,447.38
  4. Step 4: Simplify right side
    70,826.20x = 2,809,472,647.12
  5. Step 5: Solve for x
    x = 2,809,472,647.12/70,826.20
  6. Step 6: Final answer
    x = 39,667.14

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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.