Home / 55,161.46-82,742.19-38,553.93

Finding the Fourth Proportional to 55,161.46, 82,742.19 and 38,553.93

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Solution

The fourth proportional to 55,161.46, 82,742.19 and 38,553.93 is: 57,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,161.46 : 82,742.19 = 38,553.93 : x
  2. Step 2: Convert to fraction form
    55,161.46/82,742.19 = 38,553.93/x
  3. Step 3: Cross multiply
    55,161.46x = 82,742.19 × 38,553.93
  4. Step 4: Simplify right side
    55,161.46x = 3,190,036,224.02
  5. Step 5: Solve for x
    x = 3,190,036,224.02/55,161.46
  6. Step 6: Final answer
    x = 57,830.89

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Similar ratio
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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.