Home / 80,451.34-120,670.93-33,053.52

Finding the Fourth Proportional to 80,451.34, 120,670.93 and 33,053.52

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Solution

The fourth proportional to 80,451.34, 120,670.93 and 33,053.52 is: 49,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451.34 : 120,670.93 = 33,053.52 : x
  2. Step 2: Convert to fraction form
    80,451.34/120,670.93 = 33,053.52/x
  3. Step 3: Cross multiply
    80,451.34x = 120,670.93 × 33,053.52
  4. Step 4: Simplify right side
    80,451.34x = 3,988,598,998.17
  5. Step 5: Solve for x
    x = 3,988,598,998.17/80,451.34
  6. Step 6: Final answer
    x = 49,577.78

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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.