Home / 76,266.74-105,251.97-43,989.36

Finding the Fourth Proportional to 76,266.74, 105,251.97 and 43,989.36

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Solution

The fourth proportional to 76,266.74, 105,251.97 and 43,989.36 is: 60,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266.74 : 105,251.97 = 43,989.36 : x
  2. Step 2: Convert to fraction form
    76,266.74/105,251.97 = 43,989.36/x
  3. Step 3: Cross multiply
    76,266.74x = 105,251.97 × 43,989.36
  4. Step 4: Simplify right side
    76,266.74x = 4,629,966,052.83
  5. Step 5: Solve for x
    x = 4,629,966,052.83/76,266.74
  6. Step 6: Final answer
    x = 60,707.54

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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.