Home / 76,079.15-104,953.85-49,230.33

Finding the Fourth Proportional to 76,079.15, 104,953.85 and 49,230.33

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Solution

The fourth proportional to 76,079.15, 104,953.85 and 49,230.33 is: 67,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,079.15 : 104,953.85 = 49,230.33 : x
  2. Step 2: Convert to fraction form
    76,079.15/104,953.85 = 49,230.33/x
  3. Step 3: Cross multiply
    76,079.15x = 104,953.85 × 49,230.33
  4. Step 4: Simplify right side
    76,079.15x = 5,166,912,424.12
  5. Step 5: Solve for x
    x = 5,166,912,424.12/76,079.15
  6. Step 6: Final answer
    x = 67,914.96

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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.