Home / 45,196.22-67,794.74-11,921.02

Finding the Fourth Proportional to 45,196.22, 67,794.74 and 11,921.02

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Solution

The fourth proportional to 45,196.22, 67,794.74 and 11,921.02 is: 17,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,196.22 : 67,794.74 = 11,921.02 : x
  2. Step 2: Convert to fraction form
    45,196.22/67,794.74 = 11,921.02/x
  3. Step 3: Cross multiply
    45,196.22x = 67,794.74 × 11,921.02
  4. Step 4: Simplify right side
    45,196.22x = 808,182,267.05
  5. Step 5: Solve for x
    x = 808,182,267.05/45,196.22
  6. Step 6: Final answer
    x = 17,881.63

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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.