Home / 75,961.92-104,688.24-50,423.16

Finding the Fourth Proportional to 75,961.92, 104,688.24 and 50,423.16

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Solution

The fourth proportional to 75,961.92, 104,688.24 and 50,423.16 is: 69,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,961.92 : 104,688.24 = 50,423.16 : x
  2. Step 2: Convert to fraction form
    75,961.92/104,688.24 = 50,423.16/x
  3. Step 3: Cross multiply
    75,961.92x = 104,688.24 × 50,423.16
  4. Step 4: Simplify right side
    75,961.92x = 5,278,711,875.64
  5. Step 5: Solve for x
    x = 5,278,711,875.64/75,961.92
  6. Step 6: Final answer
    x = 69,491.55

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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.