Home / 75,921.50-104,770.77-41,931.37

Finding the Fourth Proportional to 75,921.50, 104,770.77 and 41,931.37

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Solution

The fourth proportional to 75,921.50, 104,770.77 and 41,931.37 is: 57,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,921.50 : 104,770.77 = 41,931.37 : x
  2. Step 2: Convert to fraction form
    75,921.50/104,770.77 = 41,931.37/x
  3. Step 3: Cross multiply
    75,921.50x = 104,770.77 × 41,931.37
  4. Step 4: Simplify right side
    75,921.50x = 4,393,181,895.78
  5. Step 5: Solve for x
    x = 4,393,181,895.78/75,921.50
  6. Step 6: Final answer
    x = 57,864.79

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1.5x scale

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.