Home / 89,857.99-124,002.47-49,575.61

Finding the Fourth Proportional to 89,857.99, 124,002.47 and 49,575.61

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Solution

The fourth proportional to 89,857.99, 124,002.47 and 49,575.61 is: 68,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,857.99 : 124,002.47 = 49,575.61 : x
  2. Step 2: Convert to fraction form
    89,857.99/124,002.47 = 49,575.61/x
  3. Step 3: Cross multiply
    89,857.99x = 124,002.47 × 49,575.61
  4. Step 4: Simplify right side
    89,857.99x = 6,147,497,905.69
  5. Step 5: Solve for x
    x = 6,147,497,905.69/89,857.99
  6. Step 6: Final answer
    x = 68,413.48

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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.