Home / 45,741.66-68,619.11-14,154.36

Finding the Fourth Proportional to 45,741.66, 68,619.11 and 14,154.36

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Solution

The fourth proportional to 45,741.66, 68,619.11 and 14,154.36 is: 21,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.66 : 68,619.11 = 14,154.36 : x
  2. Step 2: Convert to fraction form
    45,741.66/68,619.11 = 14,154.36/x
  3. Step 3: Cross multiply
    45,741.66x = 68,619.11 × 14,154.36
  4. Step 4: Simplify right side
    45,741.66x = 971,259,515.05
  5. Step 5: Solve for x
    x = 971,259,515.05/45,741.66
  6. Step 6: Final answer
    x = 21,233.59

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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.