Home / 68,220.72-94,138.20-50,325.66

Finding the Fourth Proportional to 68,220.72, 94,138.20 and 50,325.66

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Solution

The fourth proportional to 68,220.72, 94,138.20 and 50,325.66 is: 69,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,220.72 : 94,138.20 = 50,325.66 : x
  2. Step 2: Convert to fraction form
    68,220.72/94,138.20 = 50,325.66/x
  3. Step 3: Cross multiply
    68,220.72x = 94,138.20 × 50,325.66
  4. Step 4: Simplify right side
    68,220.72x = 4,737,567,046.21
  5. Step 5: Solve for x
    x = 4,737,567,046.21/68,220.72
  6. Step 6: Final answer
    x = 69,444.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.