Home / 49,883.78-68,839.76-28,663.04

Finding the Fourth Proportional to 49,883.78, 68,839.76 and 28,663.04

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Solution

The fourth proportional to 49,883.78, 68,839.76 and 28,663.04 is: 39,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,883.78 : 68,839.76 = 28,663.04 : x
  2. Step 2: Convert to fraction form
    49,883.78/68,839.76 = 28,663.04/x
  3. Step 3: Cross multiply
    49,883.78x = 68,839.76 × 28,663.04
  4. Step 4: Simplify right side
    49,883.78x = 1,973,157,038.23
  5. Step 5: Solve for x
    x = 1,973,157,038.23/49,883.78
  6. Step 6: Final answer
    x = 39,555.08

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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.