Home / 49,903.83-68,881.19-28,689.93

Finding the Fourth Proportional to 49,903.83, 68,881.19 and 28,689.93

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Solution

The fourth proportional to 49,903.83, 68,881.19 and 28,689.93 is: 39,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903.83 : 68,881.19 = 28,689.93 : x
  2. Step 2: Convert to fraction form
    49,903.83/68,881.19 = 28,689.93/x
  3. Step 3: Cross multiply
    49,903.83x = 68,881.19 × 28,689.93
  4. Step 4: Simplify right side
    49,903.83x = 1,976,196,375.97
  5. Step 5: Solve for x
    x = 1,976,196,375.97/49,903.83
  6. Step 6: Final answer
    x = 39,600.09

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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.