Home / 81,093.84-111,909.02-45,283.87

Finding the Fourth Proportional to 81,093.84, 111,909.02 and 45,283.87

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Solution

The fourth proportional to 81,093.84, 111,909.02 and 45,283.87 is: 62,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,093.84 : 111,909.02 = 45,283.87 : x
  2. Step 2: Convert to fraction form
    81,093.84/111,909.02 = 45,283.87/x
  3. Step 3: Cross multiply
    81,093.84x = 111,909.02 × 45,283.87
  4. Step 4: Simplify right side
    81,093.84x = 5,067,673,426.97
  5. Step 5: Solve for x
    x = 5,067,673,426.97/81,093.84
  6. Step 6: Final answer
    x = 62,491.47

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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.