Home / 107,538.05-161,339.88-54,984.44

Finding the Fourth Proportional to 107,538.05, 161,339.88 and 54,984.44

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Solution

The fourth proportional to 107,538.05, 161,339.88 and 54,984.44 is: 82,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,538.05 : 161,339.88 = 54,984.44 : x
  2. Step 2: Convert to fraction form
    107,538.05/161,339.88 = 54,984.44/x
  3. Step 3: Cross multiply
    107,538.05x = 161,339.88 × 54,984.44
  4. Step 4: Simplify right side
    107,538.05x = 8,871,182,951.47
  5. Step 5: Solve for x
    x = 8,871,182,951.47/107,538.05
  6. Step 6: Final answer
    x = 82,493.43

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Double scale
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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.