Home / 89,639.44-123,537.65-83,951.35

Finding the Fourth Proportional to 89,639.44, 123,537.65 and 83,951.35

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Solution

The fourth proportional to 89,639.44, 123,537.65 and 83,951.35 is: 115,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,639.44 : 123,537.65 = 83,951.35 : x
  2. Step 2: Convert to fraction form
    89,639.44/123,537.65 = 83,951.35/x
  3. Step 3: Cross multiply
    89,639.44x = 123,537.65 × 83,951.35
  4. Step 4: Simplify right side
    89,639.44x = 10,371,152,493.33
  5. Step 5: Solve for x
    x = 10,371,152,493.33/89,639.44
  6. Step 6: Final answer
    x = 115,698.54

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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.