Home / 115,685.56-173,330.30-63,131.96

Finding the Fourth Proportional to 115,685.56, 173,330.30 and 63,131.96

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Solution

The fourth proportional to 115,685.56, 173,330.30 and 63,131.96 is: 94,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,685.56 : 173,330.30 = 63,131.96 : x
  2. Step 2: Convert to fraction form
    115,685.56/173,330.30 = 63,131.96/x
  3. Step 3: Cross multiply
    115,685.56x = 173,330.30 × 63,131.96
  4. Step 4: Simplify right side
    115,685.56x = 10,942,681,566.39
  5. Step 5: Solve for x
    x = 10,942,681,566.39/115,685.56
  6. Step 6: Final answer
    x = 94,589.87

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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.