Home / 115,376.43-173,056.46-31,141.39

Finding the Fourth Proportional to 115,376.43, 173,056.46 and 31,141.39

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Solution

The fourth proportional to 115,376.43, 173,056.46 and 31,141.39 is: 46,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,376.43 : 173,056.46 = 31,141.39 : x
  2. Step 2: Convert to fraction form
    115,376.43/173,056.46 = 31,141.39/x
  3. Step 3: Cross multiply
    115,376.43x = 173,056.46 × 31,141.39
  4. Step 4: Simplify right side
    115,376.43x = 5,389,218,712.88
  5. Step 5: Solve for x
    x = 5,389,218,712.88/115,376.43
  6. Step 6: Final answer
    x = 46,709.88

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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.