Home / 89,934.14-124,108.43-49,647.95

Finding the Fourth Proportional to 89,934.14, 124,108.43 and 49,647.95

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Solution

The fourth proportional to 89,934.14, 124,108.43 and 49,647.95 is: 68,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.14 : 124,108.43 = 49,647.95 : x
  2. Step 2: Convert to fraction form
    89,934.14/124,108.43 = 49,647.95/x
  3. Step 3: Cross multiply
    89,934.14x = 124,108.43 × 49,647.95
  4. Step 4: Simplify right side
    89,934.14x = 6,161,729,127.22
  5. Step 5: Solve for x
    x = 6,161,729,127.22/89,934.14
  6. Step 6: Final answer
    x = 68,513.79

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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.