Home / 76,228.43-105,203.03-43,964.31

Finding the Fourth Proportional to 76,228.43, 105,203.03 and 43,964.31

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Solution

The fourth proportional to 76,228.43, 105,203.03 and 43,964.31 is: 60,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,228.43 : 105,203.03 = 43,964.31 : x
  2. Step 2: Convert to fraction form
    76,228.43/105,203.03 = 43,964.31/x
  3. Step 3: Cross multiply
    76,228.43x = 105,203.03 × 43,964.31
  4. Step 4: Simplify right side
    76,228.43x = 4,625,178,404.04
  5. Step 5: Solve for x
    x = 4,625,178,404.04/76,228.43
  6. Step 6: Final answer
    x = 60,675.24

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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.