Home / 106,648.79-159,874.34-40,133.03

Finding the Fourth Proportional to 106,648.79, 159,874.34 and 40,133.03

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Solution

The fourth proportional to 106,648.79, 159,874.34 and 40,133.03 is: 60,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,648.79 : 159,874.34 = 40,133.03 : x
  2. Step 2: Convert to fraction form
    106,648.79/159,874.34 = 40,133.03/x
  3. Step 3: Cross multiply
    106,648.79x = 159,874.34 × 40,133.03
  4. Step 4: Simplify right side
    106,648.79x = 6,416,240,683.41
  5. Step 5: Solve for x
    x = 6,416,240,683.41/106,648.79
  6. Step 6: Final answer
    x = 60,162.34

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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.