Home / 45,097.36-67,644.18-11,816.69

Finding the Fourth Proportional to 45,097.36, 67,644.18 and 11,816.69

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Solution

The fourth proportional to 45,097.36, 67,644.18 and 11,816.69 is: 17,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,097.36 : 67,644.18 = 11,816.69 : x
  2. Step 2: Convert to fraction form
    45,097.36/67,644.18 = 11,816.69/x
  3. Step 3: Cross multiply
    45,097.36x = 67,644.18 × 11,816.69
  4. Step 4: Simplify right side
    45,097.36x = 799,329,967.14
  5. Step 5: Solve for x
    x = 799,329,967.14/45,097.36
  6. Step 6: Final answer
    x = 17,724.54

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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.