Home / 48,643.07-67,144.16-28,506.47

Finding the Fourth Proportional to 48,643.07, 67,144.16 and 28,506.47

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Solution

The fourth proportional to 48,643.07, 67,144.16 and 28,506.47 is: 39,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.07 : 67,144.16 = 28,506.47 : x
  2. Step 2: Convert to fraction form
    48,643.07/67,144.16 = 28,506.47/x
  3. Step 3: Cross multiply
    48,643.07x = 67,144.16 × 28,506.47
  4. Step 4: Simplify right side
    48,643.07x = 1,914,042,718.26
  5. Step 5: Solve for x
    x = 1,914,042,718.26/48,643.07
  6. Step 6: Final answer
    x = 39,348.73

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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.