Home / 49,036-67,669.68-26,680.16

Finding the Fourth Proportional to 49,036, 67,669.68 and 26,680.16

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Solution

The fourth proportional to 49,036, 67,669.68 and 26,680.16 is: 36,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,036 : 67,669.68 = 26,680.16 : x
  2. Step 2: Convert to fraction form
    49,036/67,669.68 = 26,680.16/x
  3. Step 3: Cross multiply
    49,036x = 67,669.68 × 26,680.16
  4. Step 4: Simplify right side
    49,036x = 1,805,437,889.55
  5. Step 5: Solve for x
    x = 1,805,437,889.55/49,036
  6. Step 6: Final answer
    x = 36,818.62

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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.