Home / 80,821.48-121,246.93-33,410.83

Finding the Fourth Proportional to 80,821.48, 121,246.93 and 33,410.83

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Solution

The fourth proportional to 80,821.48, 121,246.93 and 33,410.83 is: 50,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,821.48 : 121,246.93 = 33,410.83 : x
  2. Step 2: Convert to fraction form
    80,821.48/121,246.93 = 33,410.83/x
  3. Step 3: Cross multiply
    80,821.48x = 121,246.93 × 33,410.83
  4. Step 4: Simplify right side
    80,821.48x = 4,050,960,344.30
  5. Step 5: Solve for x
    x = 4,050,960,344.30/80,821.48
  6. Step 6: Final answer
    x = 50,122.32

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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.