Home / 113,877.30-170,727.51-73,811.70

Finding the Fourth Proportional to 113,877.30, 170,727.51 and 73,811.70

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Solution

The fourth proportional to 113,877.30, 170,727.51 and 73,811.70 is: 110,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,877.30 : 170,727.51 = 73,811.70 : x
  2. Step 2: Convert to fraction form
    113,877.30/170,727.51 = 73,811.70/x
  3. Step 3: Cross multiply
    113,877.30x = 170,727.51 × 73,811.70
  4. Step 4: Simplify right side
    113,877.30x = 12,601,687,749.87
  5. Step 5: Solve for x
    x = 12,601,687,749.87/113,877.30
  6. Step 6: Final answer
    x = 110,660.23

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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.