Home / 82,773.42-124,152.84-51,188.28

Finding the Fourth Proportional to 82,773.42, 124,152.84 and 51,188.28

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Solution

The fourth proportional to 82,773.42, 124,152.84 and 51,188.28 is: 76,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,773.42 : 124,152.84 = 51,188.28 : x
  2. Step 2: Convert to fraction form
    82,773.42/124,152.84 = 51,188.28/x
  3. Step 3: Cross multiply
    82,773.42x = 124,152.84 × 51,188.28
  4. Step 4: Simplify right side
    82,773.42x = 6,355,170,336.72
  5. Step 5: Solve for x
    x = 6,355,170,336.72/82,773.42
  6. Step 6: Final answer
    x = 76,777.91

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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.