Home / 40,126.40-60,199.20-16,739.84

Finding the Fourth Proportional to 40,126.40, 60,199.20 and 16,739.84

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Solution

The fourth proportional to 40,126.40, 60,199.20 and 16,739.84 is: 25,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,126.40 : 60,199.20 = 16,739.84 : x
  2. Step 2: Convert to fraction form
    40,126.40/60,199.20 = 16,739.84/x
  3. Step 3: Cross multiply
    40,126.40x = 60,199.20 × 16,739.84
  4. Step 4: Simplify right side
    40,126.40x = 1,007,724,976.13
  5. Step 5: Solve for x
    x = 1,007,724,976.13/40,126.40
  6. Step 6: Final answer
    x = 25,113.76

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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.