Home / 75,775.50-104,606.06-43,932.78

Finding the Fourth Proportional to 75,775.50, 104,606.06 and 43,932.78

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Solution

The fourth proportional to 75,775.50, 104,606.06 and 43,932.78 is: 60,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,775.50 : 104,606.06 = 43,932.78 : x
  2. Step 2: Convert to fraction form
    75,775.50/104,606.06 = 43,932.78/x
  3. Step 3: Cross multiply
    75,775.50x = 104,606.06 × 43,932.78
  4. Step 4: Simplify right side
    75,775.50x = 4,595,634,800.98
  5. Step 5: Solve for x
    x = 4,595,634,800.98/75,775.50
  6. Step 6: Final answer
    x = 60,648.03

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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.