Home / 81,083.56-111,895.38-45,273.52

Finding the Fourth Proportional to 81,083.56, 111,895.38 and 45,273.52

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Solution

The fourth proportional to 81,083.56, 111,895.38 and 45,273.52 is: 62,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,083.56 : 111,895.38 = 45,273.52 : x
  2. Step 2: Convert to fraction form
    81,083.56/111,895.38 = 45,273.52/x
  3. Step 3: Cross multiply
    81,083.56x = 111,895.38 × 45,273.52
  4. Step 4: Simplify right side
    81,083.56x = 5,065,897,724.34
  5. Step 5: Solve for x
    x = 5,065,897,724.34/81,083.56
  6. Step 6: Final answer
    x = 62,477.50

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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.