Home / 45,422.14-68,136.09-14,258.62

Finding the Fourth Proportional to 45,422.14, 68,136.09 and 14,258.62

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Solution

The fourth proportional to 45,422.14, 68,136.09 and 14,258.62 is: 21,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,422.14 : 68,136.09 = 14,258.62 : x
  2. Step 2: Convert to fraction form
    45,422.14/68,136.09 = 14,258.62/x
  3. Step 3: Cross multiply
    45,422.14x = 68,136.09 × 14,258.62
  4. Step 4: Simplify right side
    45,422.14x = 971,526,203.62
  5. Step 5: Solve for x
    x = 971,526,203.62/45,422.14
  6. Step 6: Final answer
    x = 21,388.83

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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.