Home / 49,905.48-68,878.44-29,763.72

Finding the Fourth Proportional to 49,905.48, 68,878.44 and 29,763.72

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Solution

The fourth proportional to 49,905.48, 68,878.44 and 29,763.72 is: 41,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,905.48 : 68,878.44 = 29,763.72 : x
  2. Step 2: Convert to fraction form
    49,905.48/68,878.44 = 29,763.72/x
  3. Step 3: Cross multiply
    49,905.48x = 68,878.44 × 29,763.72
  4. Step 4: Simplify right side
    49,905.48x = 2,050,078,602.20
  5. Step 5: Solve for x
    x = 2,050,078,602.20/49,905.48
  6. Step 6: Final answer
    x = 41,079.23

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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.