Home / 43,858.72-65,772.55-14,271.04

Finding the Fourth Proportional to 43,858.72, 65,772.55 and 14,271.04

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Solution

The fourth proportional to 43,858.72, 65,772.55 and 14,271.04 is: 21,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,858.72 : 65,772.55 = 14,271.04 : x
  2. Step 2: Convert to fraction form
    43,858.72/65,772.55 = 14,271.04/x
  3. Step 3: Cross multiply
    43,858.72x = 65,772.55 × 14,271.04
  4. Step 4: Simplify right side
    43,858.72x = 938,642,691.95
  5. Step 5: Solve for x
    x = 938,642,691.95/43,858.72
  6. Step 6: Final answer
    x = 21,401.51

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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.