Home / 75,425.38-113,162.64-35,977.36

Finding the Fourth Proportional to 75,425.38, 113,162.64 and 35,977.36

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Solution

The fourth proportional to 75,425.38, 113,162.64 and 35,977.36 is: 53,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,425.38 : 113,162.64 = 35,977.36 : x
  2. Step 2: Convert to fraction form
    75,425.38/113,162.64 = 35,977.36/x
  3. Step 3: Cross multiply
    75,425.38x = 113,162.64 × 35,977.36
  4. Step 4: Simplify right side
    75,425.38x = 4,071,293,037.83
  5. Step 5: Solve for x
    x = 4,071,293,037.83/75,425.38
  6. Step 6: Final answer
    x = 53,977.76

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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.