Home / 92,824.34-138,921.15-57,308.27

Finding the Fourth Proportional to 92,824.34, 138,921.15 and 57,308.27

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Solution

The fourth proportional to 92,824.34, 138,921.15 and 57,308.27 is: 85,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,824.34 : 138,921.15 = 57,308.27 : x
  2. Step 2: Convert to fraction form
    92,824.34/138,921.15 = 57,308.27/x
  3. Step 3: Cross multiply
    92,824.34x = 138,921.15 × 57,308.27
  4. Step 4: Simplify right side
    92,824.34x = 7,961,330,772.91
  5. Step 5: Solve for x
    x = 7,961,330,772.91/92,824.34
  6. Step 6: Final answer
    x = 85,767.71

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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.