Home / 89,943.49-124,122.20-49,657.33

Finding the Fourth Proportional to 89,943.49, 124,122.20 and 49,657.33

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Solution

The fourth proportional to 89,943.49, 124,122.20 and 49,657.33 is: 68,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943.49 : 124,122.20 = 49,657.33 : x
  2. Step 2: Convert to fraction form
    89,943.49/124,122.20 = 49,657.33/x
  3. Step 3: Cross multiply
    89,943.49x = 124,122.20 × 49,657.33
  4. Step 4: Simplify right side
    89,943.49x = 6,163,576,176.83
  5. Step 5: Solve for x
    x = 6,163,576,176.83/89,943.49
  6. Step 6: Final answer
    x = 68,527.21

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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.