Home / 113,787.26-170,628.06-66,416.03

Finding the Fourth Proportional to 113,787.26, 170,628.06 and 66,416.03

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Solution

The fourth proportional to 113,787.26, 170,628.06 and 66,416.03 is: 99,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,787.26 : 170,628.06 = 66,416.03 : x
  2. Step 2: Convert to fraction form
    113,787.26/170,628.06 = 66,416.03/x
  3. Step 3: Cross multiply
    113,787.26x = 170,628.06 × 66,416.03
  4. Step 4: Simplify right side
    113,787.26x = 11,332,438,351.80
  5. Step 5: Solve for x
    x = 11,332,438,351.80/113,787.26
  6. Step 6: Final answer
    x = 99,593.21

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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.