Home / 69,171.31-95,392.51-51,310.81

Finding the Fourth Proportional to 69,171.31, 95,392.51 and 51,310.81

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Solution

The fourth proportional to 69,171.31, 95,392.51 and 51,310.81 is: 70,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,171.31 : 95,392.51 = 51,310.81 : x
  2. Step 2: Convert to fraction form
    69,171.31/95,392.51 = 51,310.81/x
  3. Step 3: Cross multiply
    69,171.31x = 95,392.51 × 51,310.81
  4. Step 4: Simplify right side
    69,171.31x = 4,894,666,956.03
  5. Step 5: Solve for x
    x = 4,894,666,956.03/69,171.31
  6. Step 6: Final answer
    x = 70,761.52

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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.