Home / 92,121.73-138,174.66-56,088.85

Finding the Fourth Proportional to 92,121.73, 138,174.66 and 56,088.85

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Solution

The fourth proportional to 92,121.73, 138,174.66 and 56,088.85 is: 84,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,121.73 : 138,174.66 = 56,088.85 : x
  2. Step 2: Convert to fraction form
    92,121.73/138,174.66 = 56,088.85/x
  3. Step 3: Cross multiply
    92,121.73x = 138,174.66 × 56,088.85
  4. Step 4: Simplify right side
    92,121.73x = 7,750,057,778.54
  5. Step 5: Solve for x
    x = 7,750,057,778.54/92,121.73
  6. Step 6: Final answer
    x = 84,128.44

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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.