Home / 48,862.74-67,418.82-28,718.04

Finding the Fourth Proportional to 48,862.74, 67,418.82 and 28,718.04

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Solution

The fourth proportional to 48,862.74, 67,418.82 and 28,718.04 is: 39,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,862.74 : 67,418.82 = 28,718.04 : x
  2. Step 2: Convert to fraction form
    48,862.74/67,418.82 = 28,718.04/x
  3. Step 3: Cross multiply
    48,862.74x = 67,418.82 × 28,718.04
  4. Step 4: Simplify right side
    48,862.74x = 1,936,136,369.51
  5. Step 5: Solve for x
    x = 1,936,136,369.51/48,862.74
  6. Step 6: Final answer
    x = 39,623.98

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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.