Home / 83,172.64-114,778.70-46,874.66

Finding the Fourth Proportional to 83,172.64, 114,778.70 and 46,874.66

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Solution

The fourth proportional to 83,172.64, 114,778.70 and 46,874.66 is: 64,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,172.64 : 114,778.70 = 46,874.66 : x
  2. Step 2: Convert to fraction form
    83,172.64/114,778.70 = 46,874.66/x
  3. Step 3: Cross multiply
    83,172.64x = 114,778.70 × 46,874.66
  4. Step 4: Simplify right side
    83,172.64x = 5,380,212,580.46
  5. Step 5: Solve for x
    x = 5,380,212,580.46/83,172.64
  6. Step 6: Final answer
    x = 64,687.29

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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.