Home / 49,911.96-68,878.50-28,695.36

Finding the Fourth Proportional to 49,911.96, 68,878.50 and 28,695.36

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Solution

The fourth proportional to 49,911.96, 68,878.50 and 28,695.36 is: 39,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,911.96 : 68,878.50 = 28,695.36 : x
  2. Step 2: Convert to fraction form
    49,911.96/68,878.50 = 28,695.36/x
  3. Step 3: Cross multiply
    49,911.96x = 68,878.50 × 28,695.36
  4. Step 4: Simplify right side
    49,911.96x = 1,976,493,353.76
  5. Step 5: Solve for x
    x = 1,976,493,353.76/49,911.96
  6. Step 6: Final answer
    x = 39,599.59

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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.