Home / 84,784.45-116,998.25-50,330.66

Finding the Fourth Proportional to 84,784.45, 116,998.25 and 50,330.66

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Solution

The fourth proportional to 84,784.45, 116,998.25 and 50,330.66 is: 69,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,784.45 : 116,998.25 = 50,330.66 : x
  2. Step 2: Convert to fraction form
    84,784.45/116,998.25 = 50,330.66/x
  3. Step 3: Cross multiply
    84,784.45x = 116,998.25 × 50,330.66
  4. Step 4: Simplify right side
    84,784.45x = 5,888,599,141.35
  5. Step 5: Solve for x
    x = 5,888,599,141.35/84,784.45
  6. Step 6: Final answer
    x = 69,453.76

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1.5x scale

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.