Home / 89,222.06-123,125.64-51,495.50

Finding the Fourth Proportional to 89,222.06, 123,125.64 and 51,495.50

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Solution

The fourth proportional to 89,222.06, 123,125.64 and 51,495.50 is: 71,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,222.06 : 123,125.64 = 51,495.50 : x
  2. Step 2: Convert to fraction form
    89,222.06/123,125.64 = 51,495.50/x
  3. Step 3: Cross multiply
    89,222.06x = 123,125.64 × 51,495.50
  4. Step 4: Simplify right side
    89,222.06x = 6,340,416,394.62
  5. Step 5: Solve for x
    x = 6,340,416,394.62/89,222.06
  6. Step 6: Final answer
    x = 71,063.33

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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.