Home / 92,122.77-127,129.19-51,836.61

Finding the Fourth Proportional to 92,122.77, 127,129.19 and 51,836.61

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Solution

The fourth proportional to 92,122.77, 127,129.19 and 51,836.61 is: 71,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,122.77 : 127,129.19 = 51,836.61 : x
  2. Step 2: Convert to fraction form
    92,122.77/127,129.19 = 51,836.61/x
  3. Step 3: Cross multiply
    92,122.77x = 127,129.19 × 51,836.61
  4. Step 4: Simplify right side
    92,122.77x = 6,589,946,241.65
  5. Step 5: Solve for x
    x = 6,589,946,241.65/92,122.77
  6. Step 6: Final answer
    x = 71,534.39

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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.