Home / 89,942.80-124,117.82-49,655.71

Finding the Fourth Proportional to 89,942.80, 124,117.82 and 49,655.71

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Solution

The fourth proportional to 89,942.80, 124,117.82 and 49,655.71 is: 68,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,942.80 : 124,117.82 = 49,655.71 : x
  2. Step 2: Convert to fraction form
    89,942.80/124,117.82 = 49,655.71/x
  3. Step 3: Cross multiply
    89,942.80x = 124,117.82 × 49,655.71
  4. Step 4: Simplify right side
    89,942.80x = 6,163,158,227.47
  5. Step 5: Solve for x
    x = 6,163,158,227.47/89,942.80
  6. Step 6: Final answer
    x = 68,523.09

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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.