Home / 106,581.18-159,838.46-35,487.21

Finding the Fourth Proportional to 106,581.18, 159,838.46 and 35,487.21

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Solution

The fourth proportional to 106,581.18, 159,838.46 and 35,487.21 is: 53,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,581.18 : 159,838.46 = 35,487.21 : x
  2. Step 2: Convert to fraction form
    106,581.18/159,838.46 = 35,487.21/x
  3. Step 3: Cross multiply
    106,581.18x = 159,838.46 × 35,487.21
  4. Step 4: Simplify right side
    106,581.18x = 5,672,220,818.66
  5. Step 5: Solve for x
    x = 5,672,220,818.66/106,581.18
  6. Step 6: Final answer
    x = 53,219.72

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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.