Home / 70,845.20-106,333.40-35,809.36

Finding the Fourth Proportional to 70,845.20, 106,333.40 and 35,809.36

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Solution

The fourth proportional to 70,845.20, 106,333.40 and 35,809.36 is: 53,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,845.20 : 106,333.40 = 35,809.36 : x
  2. Step 2: Convert to fraction form
    70,845.20/106,333.40 = 35,809.36/x
  3. Step 3: Cross multiply
    70,845.20x = 106,333.40 × 35,809.36
  4. Step 4: Simplify right side
    70,845.20x = 3,807,731,000.62
  5. Step 5: Solve for x
    x = 3,807,731,000.62/70,845.20
  6. Step 6: Final answer
    x = 53,747.20

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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.