Home / 89,080.21-133,626.55-35,772.18

Finding the Fourth Proportional to 89,080.21, 133,626.55 and 35,772.18

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Solution

The fourth proportional to 89,080.21, 133,626.55 and 35,772.18 is: 53,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,080.21 : 133,626.55 = 35,772.18 : x
  2. Step 2: Convert to fraction form
    89,080.21/133,626.55 = 35,772.18/x
  3. Step 3: Cross multiply
    89,080.21x = 133,626.55 × 35,772.18
  4. Step 4: Simplify right side
    89,080.21x = 4,780,113,314.87
  5. Step 5: Solve for x
    x = 4,780,113,314.87/89,080.21
  6. Step 6: Final answer
    x = 53,660.78

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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.