Home / 89,940.36-124,228.14-67,380.28

Finding the Fourth Proportional to 89,940.36, 124,228.14 and 67,380.28

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Solution

The fourth proportional to 89,940.36, 124,228.14 and 67,380.28 is: 93,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,940.36 : 124,228.14 = 67,380.28 : x
  2. Step 2: Convert to fraction form
    89,940.36/124,228.14 = 67,380.28/x
  3. Step 3: Cross multiply
    89,940.36x = 124,228.14 × 67,380.28
  4. Step 4: Simplify right side
    89,940.36x = 8,370,526,857.08
  5. Step 5: Solve for x
    x = 8,370,526,857.08/89,940.36
  6. Step 6: Final answer
    x = 93,067.53

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1.5x scale

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.