Home / 45,203-67,799.30-18,184.33

Finding the Fourth Proportional to 45,203, 67,799.30 and 18,184.33

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Solution

The fourth proportional to 45,203, 67,799.30 and 18,184.33 is: 27,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,203 : 67,799.30 = 18,184.33 : x
  2. Step 2: Convert to fraction form
    45,203/67,799.30 = 18,184.33/x
  3. Step 3: Cross multiply
    45,203x = 67,799.30 × 18,184.33
  4. Step 4: Simplify right side
    45,203x = 1,232,884,844.97
  5. Step 5: Solve for x
    x = 1,232,884,844.97/45,203
  6. Step 6: Final answer
    x = 27,274.40

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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.