Home / 75,921.20-113,887.20-23,330.60

Finding the Fourth Proportional to 75,921.20, 113,887.20 and 23,330.60

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Solution

The fourth proportional to 75,921.20, 113,887.20 and 23,330.60 is: 34,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,921.20 : 113,887.20 = 23,330.60 : x
  2. Step 2: Convert to fraction form
    75,921.20/113,887.20 = 23,330.60/x
  3. Step 3: Cross multiply
    75,921.20x = 113,887.20 × 23,330.60
  4. Step 4: Simplify right side
    75,921.20x = 2,657,056,708.32
  5. Step 5: Solve for x
    x = 2,657,056,708.32/75,921.20
  6. Step 6: Final answer
    x = 34,997.56

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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.