Home / 80,180.48-120,285.48-33,437.36

Finding the Fourth Proportional to 80,180.48, 120,285.48 and 33,437.36

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Solution

The fourth proportional to 80,180.48, 120,285.48 and 33,437.36 is: 50,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,180.48 : 120,285.48 = 33,437.36 : x
  2. Step 2: Convert to fraction form
    80,180.48/120,285.48 = 33,437.36/x
  3. Step 3: Cross multiply
    80,180.48x = 120,285.48 × 33,437.36
  4. Step 4: Simplify right side
    80,180.48x = 4,022,028,897.53
  5. Step 5: Solve for x
    x = 4,022,028,897.53/80,180.48
  6. Step 6: Final answer
    x = 50,162.20

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1.5x scale

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.