Home / 80,428.52-110,994.32-48,591.25

Finding the Fourth Proportional to 80,428.52, 110,994.32 and 48,591.25

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Solution

The fourth proportional to 80,428.52, 110,994.32 and 48,591.25 is: 67,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,428.52 : 110,994.32 = 48,591.25 : x
  2. Step 2: Convert to fraction form
    80,428.52/110,994.32 = 48,591.25/x
  3. Step 3: Cross multiply
    80,428.52x = 110,994.32 × 48,591.25
  4. Step 4: Simplify right side
    80,428.52x = 5,393,351,953.77
  5. Step 5: Solve for x
    x = 5,393,351,953.77/80,428.52
  6. Step 6: Final answer
    x = 67,057.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.