Home / 89,934.18-124,108.49-49,647.93

Finding the Fourth Proportional to 89,934.18, 124,108.49 and 49,647.93

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Solution

The fourth proportional to 89,934.18, 124,108.49 and 49,647.93 is: 68,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.18 : 124,108.49 = 49,647.93 : x
  2. Step 2: Convert to fraction form
    89,934.18/124,108.49 = 49,647.93/x
  3. Step 3: Cross multiply
    89,934.18x = 124,108.49 × 49,647.93
  4. Step 4: Simplify right side
    89,934.18x = 6,161,729,375.69
  5. Step 5: Solve for x
    x = 6,161,729,375.69/89,934.18
  6. Step 6: Final answer
    x = 68,513.77

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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.