Home / 89,934.61-124,109.95-49,648.43

Finding the Fourth Proportional to 89,934.61, 124,109.95 and 49,648.43

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Solution

The fourth proportional to 89,934.61, 124,109.95 and 49,648.43 is: 68,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.61 : 124,109.95 = 49,648.43 : x
  2. Step 2: Convert to fraction form
    89,934.61/124,109.95 = 49,648.43/x
  3. Step 3: Cross multiply
    89,934.61x = 124,109.95 × 49,648.43
  4. Step 4: Simplify right side
    89,934.61x = 6,161,864,164.88
  5. Step 5: Solve for x
    x = 6,161,864,164.88/89,934.61
  6. Step 6: Final answer
    x = 68,514.94

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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.