Home / 115,729.42-173,659.67-45,657.94

Finding the Fourth Proportional to 115,729.42, 173,659.67 and 45,657.94

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Solution

The fourth proportional to 115,729.42, 173,659.67 and 45,657.94 is: 68,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,729.42 : 173,659.67 = 45,657.94 : x
  2. Step 2: Convert to fraction form
    115,729.42/173,659.67 = 45,657.94/x
  3. Step 3: Cross multiply
    115,729.42x = 173,659.67 × 45,657.94
  4. Step 4: Simplify right side
    115,729.42x = 7,928,942,793.28
  5. Step 5: Solve for x
    x = 7,928,942,793.28/115,729.42
  6. Step 6: Final answer
    x = 68,512.77

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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.