Home / 89,777.04-123,942.92-59,603.61

Finding the Fourth Proportional to 89,777.04, 123,942.92 and 59,603.61

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Solution

The fourth proportional to 89,777.04, 123,942.92 and 59,603.61 is: 82,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,777.04 : 123,942.92 = 59,603.61 : x
  2. Step 2: Convert to fraction form
    89,777.04/123,942.92 = 59,603.61/x
  3. Step 3: Cross multiply
    89,777.04x = 123,942.92 × 59,603.61
  4. Step 4: Simplify right side
    89,777.04x = 7,387,445,465.94
  5. Step 5: Solve for x
    x = 7,387,445,465.94/89,777.04
  6. Step 6: Final answer
    x = 82,286.58

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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.