Home / 60,747.40-91,121.10-50,905.90

Finding the Fourth Proportional to 60,747.40, 91,121.10 and 50,905.90

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Solution

The fourth proportional to 60,747.40, 91,121.10 and 50,905.90 is: 76,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,747.40 : 91,121.10 = 50,905.90 : x
  2. Step 2: Convert to fraction form
    60,747.40/91,121.10 = 50,905.90/x
  3. Step 3: Cross multiply
    60,747.40x = 91,121.10 × 50,905.90
  4. Step 4: Simplify right side
    60,747.40x = 4,638,601,604.49
  5. Step 5: Solve for x
    x = 4,638,601,604.49/60,747.40
  6. Step 6: Final answer
    x = 76,358.85

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1.5x scale

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.