Home / 48,772.66-67,313.43-28,640.57

Finding the Fourth Proportional to 48,772.66, 67,313.43 and 28,640.57

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Solution

The fourth proportional to 48,772.66, 67,313.43 and 28,640.57 is: 39,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,772.66 : 67,313.43 = 28,640.57 : x
  2. Step 2: Convert to fraction form
    48,772.66/67,313.43 = 28,640.57/x
  3. Step 3: Cross multiply
    48,772.66x = 67,313.43 × 28,640.57
  4. Step 4: Simplify right side
    48,772.66x = 1,927,894,860.65
  5. Step 5: Solve for x
    x = 1,927,894,860.65/48,772.66
  6. Step 6: Final answer
    x = 39,528.19

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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.