Home / 75,551.31-104,254.38-43,722.18

Finding the Fourth Proportional to 75,551.31, 104,254.38 and 43,722.18

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Solution

The fourth proportional to 75,551.31, 104,254.38 and 43,722.18 is: 60,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551.31 : 104,254.38 = 43,722.18 : x
  2. Step 2: Convert to fraction form
    75,551.31/104,254.38 = 43,722.18/x
  3. Step 3: Cross multiply
    75,551.31x = 104,254.38 × 43,722.18
  4. Step 4: Simplify right side
    75,551.31x = 4,558,228,768.15
  5. Step 5: Solve for x
    x = 4,558,228,768.15/75,551.31
  6. Step 6: Final answer
    x = 60,332.89

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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.