Home / 89,185.80-133,778.70-36,568.20

Finding the Fourth Proportional to 89,185.80, 133,778.70 and 36,568.20

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Solution

The fourth proportional to 89,185.80, 133,778.70 and 36,568.20 is: 54,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,185.80 : 133,778.70 = 36,568.20 : x
  2. Step 2: Convert to fraction form
    89,185.80/133,778.70 = 36,568.20/x
  3. Step 3: Cross multiply
    89,185.80x = 133,778.70 × 36,568.20
  4. Step 4: Simplify right side
    89,185.80x = 4,892,046,257.34
  5. Step 5: Solve for x
    x = 4,892,046,257.34/89,185.80
  6. Step 6: Final answer
    x = 54,852.30

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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.