Home / 75,610.55-113,411.23-33,478.36

Finding the Fourth Proportional to 75,610.55, 113,411.23 and 33,478.36

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Solution

The fourth proportional to 75,610.55, 113,411.23 and 33,478.36 is: 50,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,610.55 : 113,411.23 = 33,478.36 : x
  2. Step 2: Convert to fraction form
    75,610.55/113,411.23 = 33,478.36/x
  3. Step 3: Cross multiply
    75,610.55x = 113,411.23 × 33,478.36
  4. Step 4: Simplify right side
    75,610.55x = 3,796,821,985.98
  5. Step 5: Solve for x
    x = 3,796,821,985.98/75,610.55
  6. Step 6: Final answer
    x = 50,215.51

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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.