Home / 98,207.62-135,530.42-55,770.10

Finding the Fourth Proportional to 98,207.62, 135,530.42 and 55,770.10

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Solution

The fourth proportional to 98,207.62, 135,530.42 and 55,770.10 is: 76,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,207.62 : 135,530.42 = 55,770.10 : x
  2. Step 2: Convert to fraction form
    98,207.62/135,530.42 = 55,770.10/x
  3. Step 3: Cross multiply
    98,207.62x = 135,530.42 × 55,770.10
  4. Step 4: Simplify right side
    98,207.62x = 7,558,545,076.44
  5. Step 5: Solve for x
    x = 7,558,545,076.44/98,207.62
  6. Step 6: Final answer
    x = 76,964.96

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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.