Home / 76,182.62-105,097.10-49,333.77

Finding the Fourth Proportional to 76,182.62, 105,097.10 and 49,333.77

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Solution

The fourth proportional to 76,182.62, 105,097.10 and 49,333.77 is: 68,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,182.62 : 105,097.10 = 49,333.77 : x
  2. Step 2: Convert to fraction form
    76,182.62/105,097.10 = 49,333.77/x
  3. Step 3: Cross multiply
    76,182.62x = 105,097.10 × 49,333.77
  4. Step 4: Simplify right side
    76,182.62x = 5,184,835,912.40
  5. Step 5: Solve for x
    x = 5,184,835,912.40/76,182.62
  6. Step 6: Final answer
    x = 68,057.99

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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.