Home / 43,860.56-65,773.68-14,271.20

Finding the Fourth Proportional to 43,860.56, 65,773.68 and 14,271.20

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Solution

The fourth proportional to 43,860.56, 65,773.68 and 14,271.20 is: 21,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,860.56 : 65,773.68 = 14,271.20 : x
  2. Step 2: Convert to fraction form
    43,860.56/65,773.68 = 14,271.20/x
  3. Step 3: Cross multiply
    43,860.56x = 65,773.68 × 14,271.20
  4. Step 4: Simplify right side
    43,860.56x = 938,669,342.02
  5. Step 5: Solve for x
    x = 938,669,342.02/43,860.56
  6. Step 6: Final answer
    x = 21,401.22

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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.