Home / 89,934.17-124,109.19-49,647.96

Finding the Fourth Proportional to 89,934.17, 124,109.19 and 49,647.96

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Solution

The fourth proportional to 89,934.17, 124,109.19 and 49,647.96 is: 68,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.17 : 124,109.19 = 49,647.96 : x
  2. Step 2: Convert to fraction form
    89,934.17/124,109.19 = 49,647.96/x
  3. Step 3: Cross multiply
    89,934.17x = 124,109.19 × 49,647.96
  4. Step 4: Simplify right side
    89,934.17x = 6,161,768,100.75
  5. Step 5: Solve for x
    x = 6,161,768,100.75/89,934.17
  6. Step 6: Final answer
    x = 68,514.21

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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.