Home / 107,531.55-161,330.13-54,977.94

Finding the Fourth Proportional to 107,531.55, 161,330.13 and 54,977.94

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Solution

The fourth proportional to 107,531.55, 161,330.13 and 54,977.94 is: 82,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,531.55 : 161,330.13 = 54,977.94 : x
  2. Step 2: Convert to fraction form
    107,531.55/161,330.13 = 54,977.94/x
  3. Step 3: Cross multiply
    107,531.55x = 161,330.13 × 54,977.94
  4. Step 4: Simplify right side
    107,531.55x = 8,869,598,207.33
  5. Step 5: Solve for x
    x = 8,869,598,207.33/107,531.55
  6. Step 6: Final answer
    x = 82,483.68

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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.