Home / 89,757.36-123,734.52-62,817.84

Finding the Fourth Proportional to 89,757.36, 123,734.52 and 62,817.84

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Solution

The fourth proportional to 89,757.36, 123,734.52 and 62,817.84 is: 86,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,757.36 : 123,734.52 = 62,817.84 : x
  2. Step 2: Convert to fraction form
    89,757.36/123,734.52 = 62,817.84/x
  3. Step 3: Cross multiply
    89,757.36x = 123,734.52 × 62,817.84
  4. Step 4: Simplify right side
    89,757.36x = 7,772,735,279.84
  5. Step 5: Solve for x
    x = 7,772,735,279.84/89,757.36
  6. Step 6: Final answer
    x = 86,597.19

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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.