Home / 55,520.80-76,621.56-32,872.84

Finding the Fourth Proportional to 55,520.80, 76,621.56 and 32,872.84

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Solution

The fourth proportional to 55,520.80, 76,621.56 and 32,872.84 is: 45,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520.80 : 76,621.56 = 32,872.84 : x
  2. Step 2: Convert to fraction form
    55,520.80/76,621.56 = 32,872.84/x
  3. Step 3: Cross multiply
    55,520.80x = 76,621.56 × 32,872.84
  4. Step 4: Simplify right side
    55,520.80x = 2,518,768,282.43
  5. Step 5: Solve for x
    x = 2,518,768,282.43/55,520.80
  6. Step 6: Final answer
    x = 45,366.21

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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.