Home / 92,121.49-127,135.13-51,832.90

Finding the Fourth Proportional to 92,121.49, 127,135.13 and 51,832.90

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Solution

The fourth proportional to 92,121.49, 127,135.13 and 51,832.90 is: 71,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,121.49 : 127,135.13 = 51,832.90 : x
  2. Step 2: Convert to fraction form
    92,121.49/127,135.13 = 51,832.90/x
  3. Step 3: Cross multiply
    92,121.49x = 127,135.13 × 51,832.90
  4. Step 4: Simplify right side
    92,121.49x = 6,589,782,479.78
  5. Step 5: Solve for x
    x = 6,589,782,479.78/92,121.49
  6. Step 6: Final answer
    x = 71,533.61

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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.