Home / 89,235.12-133,758.18-32,270.88

Finding the Fourth Proportional to 89,235.12, 133,758.18 and 32,270.88

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Solution

The fourth proportional to 89,235.12, 133,758.18 and 32,270.88 is: 48,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.12 : 133,758.18 = 32,270.88 : x
  2. Step 2: Convert to fraction form
    89,235.12/133,758.18 = 32,270.88/x
  3. Step 3: Cross multiply
    89,235.12x = 133,758.18 × 32,270.88
  4. Step 4: Simplify right side
    89,235.12x = 4,316,494,175.80
  5. Step 5: Solve for x
    x = 4,316,494,175.80/89,235.12
  6. Step 6: Final answer
    x = 48,372.15

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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.