Home / 74,449.53-102,764.30-47,664.18

Finding the Fourth Proportional to 74,449.53, 102,764.30 and 47,664.18

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Solution

The fourth proportional to 74,449.53, 102,764.30 and 47,664.18 is: 65,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449.53 : 102,764.30 = 47,664.18 : x
  2. Step 2: Convert to fraction form
    74,449.53/102,764.30 = 47,664.18/x
  3. Step 3: Cross multiply
    74,449.53x = 102,764.30 × 47,664.18
  4. Step 4: Simplify right side
    74,449.53x = 4,898,175,854.45
  5. Step 5: Solve for x
    x = 4,898,175,854.45/74,449.53
  6. Step 6: Final answer
    x = 65,791.90

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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.