Home / 45,119.40-67,637.82-17,396.52

Finding the Fourth Proportional to 45,119.40, 67,637.82 and 17,396.52

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Solution

The fourth proportional to 45,119.40, 67,637.82 and 17,396.52 is: 26,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,119.40 : 67,637.82 = 17,396.52 : x
  2. Step 2: Convert to fraction form
    45,119.40/67,637.82 = 17,396.52/x
  3. Step 3: Cross multiply
    45,119.40x = 67,637.82 × 17,396.52
  4. Step 4: Simplify right side
    45,119.40x = 1,176,662,688.39
  5. Step 5: Solve for x
    x = 1,176,662,688.39/45,119.40
  6. Step 6: Final answer
    x = 26,078.86

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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.