Home / 75,505.52-113,107.07-45,503.06

Finding the Fourth Proportional to 75,505.52, 113,107.07 and 45,503.06

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Solution

The fourth proportional to 75,505.52, 113,107.07 and 45,503.06 is: 68,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,505.52 : 113,107.07 = 45,503.06 : x
  2. Step 2: Convert to fraction form
    75,505.52/113,107.07 = 45,503.06/x
  3. Step 3: Cross multiply
    75,505.52x = 113,107.07 × 45,503.06
  4. Step 4: Simplify right side
    75,505.52x = 5,146,717,340.86
  5. Step 5: Solve for x
    x = 5,146,717,340.86/75,505.52
  6. Step 6: Final answer
    x = 68,163.46

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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.