Home / 80,356.77-120,533.94-27,060.39

Finding the Fourth Proportional to 80,356.77, 120,533.94 and 27,060.39

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Solution

The fourth proportional to 80,356.77, 120,533.94 and 27,060.39 is: 40,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,356.77 : 120,533.94 = 27,060.39 : x
  2. Step 2: Convert to fraction form
    80,356.77/120,533.94 = 27,060.39/x
  3. Step 3: Cross multiply
    80,356.77x = 120,533.94 × 27,060.39
  4. Step 4: Simplify right side
    80,356.77x = 3,261,695,424.64
  5. Step 5: Solve for x
    x = 3,261,695,424.64/80,356.77
  6. Step 6: Final answer
    x = 40,590.18

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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.