Home / 114,640.11-171,951.66-48,077.55

Finding the Fourth Proportional to 114,640.11, 171,951.66 and 48,077.55

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Solution

The fourth proportional to 114,640.11, 171,951.66 and 48,077.55 is: 72,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,640.11 : 171,951.66 = 48,077.55 : x
  2. Step 2: Convert to fraction form
    114,640.11/171,951.66 = 48,077.55/x
  3. Step 3: Cross multiply
    114,640.11x = 171,951.66 × 48,077.55
  4. Step 4: Simplify right side
    114,640.11x = 8,267,014,531.23
  5. Step 5: Solve for x
    x = 8,267,014,531.23/114,640.11
  6. Step 6: Final answer
    x = 72,112.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.