Home / 70,982.70-106,433.55-26,610.90

Finding the Fourth Proportional to 70,982.70, 106,433.55 and 26,610.90

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Solution

The fourth proportional to 70,982.70, 106,433.55 and 26,610.90 is: 39,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.70 : 106,433.55 = 26,610.90 : x
  2. Step 2: Convert to fraction form
    70,982.70/106,433.55 = 26,610.90/x
  3. Step 3: Cross multiply
    70,982.70x = 106,433.55 × 26,610.90
  4. Step 4: Simplify right side
    70,982.70x = 2,832,292,555.70
  5. Step 5: Solve for x
    x = 2,832,292,555.70/70,982.70
  6. Step 6: Final answer
    x = 39,901.17

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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.