Home / 43,909.74-65,864.78-10,629.75

Finding the Fourth Proportional to 43,909.74, 65,864.78 and 10,629.75

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Solution

The fourth proportional to 43,909.74, 65,864.78 and 10,629.75 is: 15,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.74 : 65,864.78 = 10,629.75 : x
  2. Step 2: Convert to fraction form
    43,909.74/65,864.78 = 10,629.75/x
  3. Step 3: Cross multiply
    43,909.74x = 65,864.78 × 10,629.75
  4. Step 4: Simplify right side
    43,909.74x = 700,125,762.73
  5. Step 5: Solve for x
    x = 700,125,762.73/43,909.74
  6. Step 6: Final answer
    x = 15,944.66

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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.