Home / 49,309.12-68,051.35-29,172.48

Finding the Fourth Proportional to 49,309.12, 68,051.35 and 29,172.48

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Solution

The fourth proportional to 49,309.12, 68,051.35 and 29,172.48 is: 40,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,309.12 : 68,051.35 = 29,172.48 : x
  2. Step 2: Convert to fraction form
    49,309.12/68,051.35 = 29,172.48/x
  3. Step 3: Cross multiply
    49,309.12x = 68,051.35 × 29,172.48
  4. Step 4: Simplify right side
    49,309.12x = 1,985,226,233.66
  5. Step 5: Solve for x
    x = 1,985,226,233.66/49,309.12
  6. Step 6: Final answer
    x = 40,260.83

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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.