Home / 92,620.18-127,815.60-50,178.79

Finding the Fourth Proportional to 92,620.18, 127,815.60 and 50,178.79

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Solution

The fourth proportional to 92,620.18, 127,815.60 and 50,178.79 is: 69,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,620.18 : 127,815.60 = 50,178.79 : x
  2. Step 2: Convert to fraction form
    92,620.18/127,815.60 = 50,178.79/x
  3. Step 3: Cross multiply
    92,620.18x = 127,815.60 × 50,178.79
  4. Step 4: Simplify right side
    92,620.18x = 6,413,632,151.12
  5. Step 5: Solve for x
    x = 6,413,632,151.12/92,620.18
  6. Step 6: Final answer
    x = 69,246.60

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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.