Home / 89,905.33-124,069.24-49,619.11

Finding the Fourth Proportional to 89,905.33, 124,069.24 and 49,619.11

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Solution

The fourth proportional to 89,905.33, 124,069.24 and 49,619.11 is: 68,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,905.33 : 124,069.24 = 49,619.11 : x
  2. Step 2: Convert to fraction form
    89,905.33/124,069.24 = 49,619.11/x
  3. Step 3: Cross multiply
    89,905.33x = 124,069.24 × 49,619.11
  4. Step 4: Simplify right side
    89,905.33x = 6,156,205,267.18
  5. Step 5: Solve for x
    x = 6,156,205,267.18/89,905.33
  6. Step 6: Final answer
    x = 68,474.31

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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.