Home / 42,037.32-62,998.38-40,775.88

Finding the Fourth Proportional to 42,037.32, 62,998.38 and 40,775.88

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Solution

The fourth proportional to 42,037.32, 62,998.38 and 40,775.88 is: 61,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.32 : 62,998.38 = 40,775.88 : x
  2. Step 2: Convert to fraction form
    42,037.32/62,998.38 = 40,775.88/x
  3. Step 3: Cross multiply
    42,037.32x = 62,998.38 × 40,775.88
  4. Step 4: Simplify right side
    42,037.32x = 2,568,814,383.07
  5. Step 5: Solve for x
    x = 2,568,814,383.07/42,037.32
  6. Step 6: Final answer
    x = 61,107.95

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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.