Home / 82,984.78-114,529.30-50,712.76

Finding the Fourth Proportional to 82,984.78, 114,529.30 and 50,712.76

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Solution

The fourth proportional to 82,984.78, 114,529.30 and 50,712.76 is: 69,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,984.78 : 114,529.30 = 50,712.76 : x
  2. Step 2: Convert to fraction form
    82,984.78/114,529.30 = 50,712.76/x
  3. Step 3: Cross multiply
    82,984.78x = 114,529.30 × 50,712.76
  4. Step 4: Simplify right side
    82,984.78x = 5,808,096,903.87
  5. Step 5: Solve for x
    x = 5,808,096,903.87/82,984.78
  6. Step 6: Final answer
    x = 69,989.91

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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.