Home / 89,933.61-124,108.57-49,647.43

Finding the Fourth Proportional to 89,933.61, 124,108.57 and 49,647.43

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Solution

The fourth proportional to 89,933.61, 124,108.57 and 49,647.43 is: 68,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,933.61 : 124,108.57 = 49,647.43 : x
  2. Step 2: Convert to fraction form
    89,933.61/124,108.57 = 49,647.43/x
  3. Step 3: Cross multiply
    89,933.61x = 124,108.57 × 49,647.43
  4. Step 4: Simplify right side
    89,933.61x = 6,161,671,758.67
  5. Step 5: Solve for x
    x = 6,161,671,758.67/89,933.61
  6. Step 6: Final answer
    x = 68,513.56

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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.