Home / 43,909.49-65,864.40-10,629.50

Finding the Fourth Proportional to 43,909.49, 65,864.40 and 10,629.50

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Solution

The fourth proportional to 43,909.49, 65,864.40 and 10,629.50 is: 15,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.49 : 65,864.40 = 10,629.50 : x
  2. Step 2: Convert to fraction form
    43,909.49/65,864.40 = 10,629.50/x
  3. Step 3: Cross multiply
    43,909.49x = 65,864.40 × 10,629.50
  4. Step 4: Simplify right side
    43,909.49x = 700,105,310.48
  5. Step 5: Solve for x
    x = 700,105,310.48/43,909.49
  6. Step 6: Final answer
    x = 15,944.28

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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.