Home / 70,108.38-104,994.92-40,436.26

Finding the Fourth Proportional to 70,108.38, 104,994.92 and 40,436.26

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Solution

The fourth proportional to 70,108.38, 104,994.92 and 40,436.26 is: 60,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,108.38 : 104,994.92 = 40,436.26 : x
  2. Step 2: Convert to fraction form
    70,108.38/104,994.92 = 40,436.26/x
  3. Step 3: Cross multiply
    70,108.38x = 104,994.92 × 40,436.26
  4. Step 4: Simplify right side
    70,108.38x = 4,245,601,883.80
  5. Step 5: Solve for x
    x = 4,245,601,883.80/70,108.38
  6. Step 6: Final answer
    x = 60,557.69

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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.