Home / 115,715.70-173,586.31-36,811.51

Finding the Fourth Proportional to 115,715.70, 173,586.31 and 36,811.51

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Solution

The fourth proportional to 115,715.70, 173,586.31 and 36,811.51 is: 55,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,715.70 : 173,586.31 = 36,811.51 : x
  2. Step 2: Convert to fraction form
    115,715.70/173,586.31 = 36,811.51/x
  3. Step 3: Cross multiply
    115,715.70x = 173,586.31 × 36,811.51
  4. Step 4: Simplify right side
    115,715.70x = 6,389,973,660.43
  5. Step 5: Solve for x
    x = 6,389,973,660.43/115,715.70
  6. Step 6: Final answer
    x = 55,221.32

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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.