Home / 45,196.54-67,795.21-11,921.33

Finding the Fourth Proportional to 45,196.54, 67,795.21 and 11,921.33

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Solution

The fourth proportional to 45,196.54, 67,795.21 and 11,921.33 is: 17,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,196.54 : 67,795.21 = 11,921.33 : x
  2. Step 2: Convert to fraction form
    45,196.54/67,795.21 = 11,921.33/x
  3. Step 3: Cross multiply
    45,196.54x = 67,795.21 × 11,921.33
  4. Step 4: Simplify right side
    45,196.54x = 808,209,070.83
  5. Step 5: Solve for x
    x = 808,209,070.83/45,196.54
  6. Step 6: Final answer
    x = 17,882.10

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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.