Home / 115,057.50-172,336.96-55,769.14

Finding the Fourth Proportional to 115,057.50, 172,336.96 and 55,769.14

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Solution

The fourth proportional to 115,057.50, 172,336.96 and 55,769.14 is: 83,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,057.50 : 172,336.96 = 55,769.14 : x
  2. Step 2: Convert to fraction form
    115,057.50/172,336.96 = 55,769.14/x
  3. Step 3: Cross multiply
    115,057.50x = 172,336.96 × 55,769.14
  4. Step 4: Simplify right side
    115,057.50x = 9,611,084,049.41
  5. Step 5: Solve for x
    x = 9,611,084,049.41/115,057.50
  6. Step 6: Final answer
    x = 83,532.88

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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.