Home / 89,928.36-124,099.65-49,641.09

Finding the Fourth Proportional to 89,928.36, 124,099.65 and 49,641.09

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Solution

The fourth proportional to 89,928.36, 124,099.65 and 49,641.09 is: 68,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,928.36 : 124,099.65 = 49,641.09 : x
  2. Step 2: Convert to fraction form
    89,928.36/124,099.65 = 49,641.09/x
  3. Step 3: Cross multiply
    89,928.36x = 124,099.65 × 49,641.09
  4. Step 4: Simplify right side
    89,928.36x = 6,160,441,894.62
  5. Step 5: Solve for x
    x = 6,160,441,894.62/89,928.36
  6. Step 6: Final answer
    x = 68,503.88

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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.