Home / 75,964.77-113,947.20-19,804.74

Finding the Fourth Proportional to 75,964.77, 113,947.20 and 19,804.74

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Solution

The fourth proportional to 75,964.77, 113,947.20 and 19,804.74 is: 29,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,964.77 : 113,947.20 = 19,804.74 : x
  2. Step 2: Convert to fraction form
    75,964.77/113,947.20 = 19,804.74/x
  3. Step 3: Cross multiply
    75,964.77x = 113,947.20 × 19,804.74
  4. Step 4: Simplify right side
    75,964.77x = 2,256,694,669.73
  5. Step 5: Solve for x
    x = 2,256,694,669.73/75,964.77
  6. Step 6: Final answer
    x = 29,707.12

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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.