Home / 106,949.20-160,420.40-50,829.68

Finding the Fourth Proportional to 106,949.20, 160,420.40 and 50,829.68

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Solution

The fourth proportional to 106,949.20, 160,420.40 and 50,829.68 is: 76,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,949.20 : 160,420.40 = 50,829.68 : x
  2. Step 2: Convert to fraction form
    106,949.20/160,420.40 = 50,829.68/x
  3. Step 3: Cross multiply
    106,949.20x = 160,420.40 × 50,829.68
  4. Step 4: Simplify right side
    106,949.20x = 8,154,117,597.47
  5. Step 5: Solve for x
    x = 8,154,117,597.47/106,949.20
  6. Step 6: Final answer
    x = 76,242.90

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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.