Home / 89,935.36-124,221.24-67,375.28

Finding the Fourth Proportional to 89,935.36, 124,221.24 and 67,375.28

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Solution

The fourth proportional to 89,935.36, 124,221.24 and 67,375.28 is: 93,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,935.36 : 124,221.24 = 67,375.28 : x
  2. Step 2: Convert to fraction form
    89,935.36/124,221.24 = 67,375.28/x
  3. Step 3: Cross multiply
    89,935.36x = 124,221.24 × 67,375.28
  4. Step 4: Simplify right side
    89,935.36x = 8,369,440,826.95
  5. Step 5: Solve for x
    x = 8,369,440,826.95/89,935.36
  6. Step 6: Final answer
    x = 93,060.63

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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.