Home / 75,544.12-113,315.76-19,384.12

Finding the Fourth Proportional to 75,544.12, 113,315.76 and 19,384.12

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Solution

The fourth proportional to 75,544.12, 113,315.76 and 19,384.12 is: 29,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,544.12 : 113,315.76 = 19,384.12 : x
  2. Step 2: Convert to fraction form
    75,544.12/113,315.76 = 19,384.12/x
  3. Step 3: Cross multiply
    75,544.12x = 113,315.76 × 19,384.12
  4. Step 4: Simplify right side
    75,544.12x = 2,196,526,289.73
  5. Step 5: Solve for x
    x = 2,196,526,289.73/75,544.12
  6. Step 6: Final answer
    x = 29,076.07

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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.