Home / 91,150.52-125,787.47-50,863.85

Finding the Fourth Proportional to 91,150.52, 125,787.47 and 50,863.85

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Solution

The fourth proportional to 91,150.52, 125,787.47 and 50,863.85 is: 70,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,150.52 : 125,787.47 = 50,863.85 : x
  2. Step 2: Convert to fraction form
    91,150.52/125,787.47 = 50,863.85/x
  3. Step 3: Cross multiply
    91,150.52x = 125,787.47 × 50,863.85
  4. Step 4: Simplify right side
    91,150.52x = 6,398,035,005.96
  5. Step 5: Solve for x
    x = 6,398,035,005.96/91,150.52
  6. Step 6: Final answer
    x = 70,191.98

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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.