Home / 43,261.12-64,898.82-13,274.62

Finding the Fourth Proportional to 43,261.12, 64,898.82 and 13,274.62

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Solution

The fourth proportional to 43,261.12, 64,898.82 and 13,274.62 is: 19,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,261.12 : 64,898.82 = 13,274.62 : x
  2. Step 2: Convert to fraction form
    43,261.12/64,898.82 = 13,274.62/x
  3. Step 3: Cross multiply
    43,261.12x = 64,898.82 × 13,274.62
  4. Step 4: Simplify right side
    43,261.12x = 861,507,011.70
  5. Step 5: Solve for x
    x = 861,507,011.70/43,261.12
  6. Step 6: Final answer
    x = 19,914.12

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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.