Home / 43,767.48-65,662.50-12,605.16

Finding the Fourth Proportional to 43,767.48, 65,662.50 and 12,605.16

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Solution

The fourth proportional to 43,767.48, 65,662.50 and 12,605.16 is: 18,910.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,767.48 : 65,662.50 = 12,605.16 : x
  2. Step 2: Convert to fraction form
    43,767.48/65,662.50 = 12,605.16/x
  3. Step 3: Cross multiply
    43,767.48x = 65,662.50 × 12,605.16
  4. Step 4: Simplify right side
    43,767.48x = 827,686,318.50
  5. Step 5: Solve for x
    x = 827,686,318.50/43,767.48
  6. Step 6: Final answer
    x = 18,910.99

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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.