Home / 89,710.75-123,806.51-49,424.59

Finding the Fourth Proportional to 89,710.75, 123,806.51 and 49,424.59

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Solution

The fourth proportional to 89,710.75, 123,806.51 and 49,424.59 is: 68,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,710.75 : 123,806.51 = 49,424.59 : x
  2. Step 2: Convert to fraction form
    89,710.75/123,806.51 = 49,424.59/x
  3. Step 3: Cross multiply
    89,710.75x = 123,806.51 × 49,424.59
  4. Step 4: Simplify right side
    89,710.75x = 6,119,085,996.08
  5. Step 5: Solve for x
    x = 6,119,085,996.08/89,710.75
  6. Step 6: Final answer
    x = 68,209.06

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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.