Home / 56,700.20-84,947.90-50,146.60

Finding the Fourth Proportional to 56,700.20, 84,947.90 and 50,146.60

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Solution

The fourth proportional to 56,700.20, 84,947.90 and 50,146.60 is: 75,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,700.20 : 84,947.90 = 50,146.60 : x
  2. Step 2: Convert to fraction form
    56,700.20/84,947.90 = 50,146.60/x
  3. Step 3: Cross multiply
    56,700.20x = 84,947.90 × 50,146.60
  4. Step 4: Simplify right side
    56,700.20x = 4,259,848,362.14
  5. Step 5: Solve for x
    x = 4,259,848,362.14/56,700.20
  6. Step 6: Final answer
    x = 75,129.34

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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.