Home / 92,921.29-139,391.13-29,725.54

Finding the Fourth Proportional to 92,921.29, 139,391.13 and 29,725.54

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Solution

The fourth proportional to 92,921.29, 139,391.13 and 29,725.54 is: 44,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,921.29 : 139,391.13 = 29,725.54 : x
  2. Step 2: Convert to fraction form
    92,921.29/139,391.13 = 29,725.54/x
  3. Step 3: Cross multiply
    92,921.29x = 139,391.13 × 29,725.54
  4. Step 4: Simplify right side
    92,921.29x = 4,143,476,610.46
  5. Step 5: Solve for x
    x = 4,143,476,610.46/92,921.29
  6. Step 6: Final answer
    x = 44,591.25

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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.