Home / 89,914.39-124,082.22-49,628.50

Finding the Fourth Proportional to 89,914.39, 124,082.22 and 49,628.50

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Solution

The fourth proportional to 89,914.39, 124,082.22 and 49,628.50 is: 68,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,914.39 : 124,082.22 = 49,628.50 : x
  2. Step 2: Convert to fraction form
    89,914.39/124,082.22 = 49,628.50/x
  3. Step 3: Cross multiply
    89,914.39x = 124,082.22 × 49,628.50
  4. Step 4: Simplify right side
    89,914.39x = 6,158,014,455.27
  5. Step 5: Solve for x
    x = 6,158,014,455.27/89,914.39
  6. Step 6: Final answer
    x = 68,487.53

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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.