Home / 69,560.54-95,917.47-51,688.70

Finding the Fourth Proportional to 69,560.54, 95,917.47 and 51,688.70

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Solution

The fourth proportional to 69,560.54, 95,917.47 and 51,688.70 is: 71,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,560.54 : 95,917.47 = 51,688.70 : x
  2. Step 2: Convert to fraction form
    69,560.54/95,917.47 = 51,688.70/x
  3. Step 3: Cross multiply
    69,560.54x = 95,917.47 × 51,688.70
  4. Step 4: Simplify right side
    69,560.54x = 4,957,849,331.59
  5. Step 5: Solve for x
    x = 4,957,849,331.59/69,560.54
  6. Step 6: Final answer
    x = 71,273.88

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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.