Home / 89,926.76-124,105.80-49,648.28

Finding the Fourth Proportional to 89,926.76, 124,105.80 and 49,648.28

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Solution

The fourth proportional to 89,926.76, 124,105.80 and 49,648.28 is: 68,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,926.76 : 124,105.80 = 49,648.28 : x
  2. Step 2: Convert to fraction form
    89,926.76/124,105.80 = 49,648.28/x
  3. Step 3: Cross multiply
    89,926.76x = 124,105.80 × 49,648.28
  4. Step 4: Simplify right side
    89,926.76x = 6,161,639,508.02
  5. Step 5: Solve for x
    x = 6,161,639,508.02/89,926.76
  6. Step 6: Final answer
    x = 68,518.42

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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.