Home / 49,885.16-68,843.12-28,374.35

Finding the Fourth Proportional to 49,885.16, 68,843.12 and 28,374.35

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Solution

The fourth proportional to 49,885.16, 68,843.12 and 28,374.35 is: 39,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,885.16 : 68,843.12 = 28,374.35 : x
  2. Step 2: Convert to fraction form
    49,885.16/68,843.12 = 28,374.35/x
  3. Step 3: Cross multiply
    49,885.16x = 68,843.12 × 28,374.35
  4. Step 4: Simplify right side
    49,885.16x = 1,953,378,862.68
  5. Step 5: Solve for x
    x = 1,953,378,862.68/49,885.16
  6. Step 6: Final answer
    x = 39,157.51

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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.