Home / 90,842.46-125,361.64-50,555.51

Finding the Fourth Proportional to 90,842.46, 125,361.64 and 50,555.51

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Solution

The fourth proportional to 90,842.46, 125,361.64 and 50,555.51 is: 69,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,842.46 : 125,361.64 = 50,555.51 : x
  2. Step 2: Convert to fraction form
    90,842.46/125,361.64 = 50,555.51/x
  3. Step 3: Cross multiply
    90,842.46x = 125,361.64 × 50,555.51
  4. Step 4: Simplify right side
    90,842.46x = 6,337,721,644.64
  5. Step 5: Solve for x
    x = 6,337,721,644.64/90,842.46
  6. Step 6: Final answer
    x = 69,766.07

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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.