Home / 74,550.42-102,859.20-51,863.94

Finding the Fourth Proportional to 74,550.42, 102,859.20 and 51,863.94

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Solution

The fourth proportional to 74,550.42, 102,859.20 and 51,863.94 is: 71,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,550.42 : 102,859.20 = 51,863.94 : x
  2. Step 2: Convert to fraction form
    74,550.42/102,859.20 = 51,863.94/x
  3. Step 3: Cross multiply
    74,550.42x = 102,859.20 × 51,863.94
  4. Step 4: Simplify right side
    74,550.42x = 5,334,683,377.25
  5. Step 5: Solve for x
    x = 5,334,683,377.25/74,550.42
  6. Step 6: Final answer
    x = 71,558.06

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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.