Home / 75,846.54-113,772.66-19,685.18

Finding the Fourth Proportional to 75,846.54, 113,772.66 and 19,685.18

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Solution

The fourth proportional to 75,846.54, 113,772.66 and 19,685.18 is: 29,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,846.54 : 113,772.66 = 19,685.18 : x
  2. Step 2: Convert to fraction form
    75,846.54/113,772.66 = 19,685.18/x
  3. Step 3: Cross multiply
    75,846.54x = 113,772.66 × 19,685.18
  4. Step 4: Simplify right side
    75,846.54x = 2,239,635,291.18
  5. Step 5: Solve for x
    x = 2,239,635,291.18/75,846.54
  6. Step 6: Final answer
    x = 29,528.51

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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.