Home / 75,629.70-113,444.55-67,464.90

Finding the Fourth Proportional to 75,629.70, 113,444.55 and 67,464.90

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Solution

The fourth proportional to 75,629.70, 113,444.55 and 67,464.90 is: 101,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.70 : 113,444.55 = 67,464.90 : x
  2. Step 2: Convert to fraction form
    75,629.70/113,444.55 = 67,464.90/x
  3. Step 3: Cross multiply
    75,629.70x = 113,444.55 × 67,464.90
  4. Step 4: Simplify right side
    75,629.70x = 7,653,525,221.30
  5. Step 5: Solve for x
    x = 7,653,525,221.30/75,629.70
  6. Step 6: Final answer
    x = 101,197.35

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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.