Home / 75,789.04-113,520.64-61,493.28

Finding the Fourth Proportional to 75,789.04, 113,520.64 and 61,493.28

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Solution

The fourth proportional to 75,789.04, 113,520.64 and 61,493.28 is: 92,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,789.04 : 113,520.64 = 61,493.28 : x
  2. Step 2: Convert to fraction form
    75,789.04/113,520.64 = 61,493.28/x
  3. Step 3: Cross multiply
    75,789.04x = 113,520.64 × 61,493.28
  4. Step 4: Simplify right side
    75,789.04x = 6,980,756,501.30
  5. Step 5: Solve for x
    x = 6,980,756,501.30/75,789.04
  6. Step 6: Final answer
    x = 92,107.73

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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.