Home / 69,441.60-95,826.64-40,757.36

Finding the Fourth Proportional to 69,441.60, 95,826.64 and 40,757.36

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Solution

The fourth proportional to 69,441.60, 95,826.64 and 40,757.36 is: 56,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,441.60 : 95,826.64 = 40,757.36 : x
  2. Step 2: Convert to fraction form
    69,441.60/95,826.64 = 40,757.36/x
  3. Step 3: Cross multiply
    69,441.60x = 95,826.64 × 40,757.36
  4. Step 4: Simplify right side
    69,441.60x = 3,905,640,864.07
  5. Step 5: Solve for x
    x = 3,905,640,864.07/69,441.60
  6. Step 6: Final answer
    x = 56,243.53

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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.