Home / 81,204.36-112,061.66-45,394.36

Finding the Fourth Proportional to 81,204.36, 112,061.66 and 45,394.36

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Solution

The fourth proportional to 81,204.36, 112,061.66 and 45,394.36 is: 62,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,204.36 : 112,061.66 = 45,394.36 : x
  2. Step 2: Convert to fraction form
    81,204.36/112,061.66 = 45,394.36/x
  3. Step 3: Cross multiply
    81,204.36x = 112,061.66 × 45,394.36
  4. Step 4: Simplify right side
    81,204.36x = 5,086,967,336.24
  5. Step 5: Solve for x
    x = 5,086,967,336.24/81,204.36
  6. Step 6: Final answer
    x = 62,644.02

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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.