Home / 53,518.21-73,855.22-29,318.64

Finding the Fourth Proportional to 53,518.21, 73,855.22 and 29,318.64

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Solution

The fourth proportional to 53,518.21, 73,855.22 and 29,318.64 is: 40,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.21 : 73,855.22 = 29,318.64 : x
  2. Step 2: Convert to fraction form
    53,518.21/73,855.22 = 29,318.64/x
  3. Step 3: Cross multiply
    53,518.21x = 73,855.22 × 29,318.64
  4. Step 4: Simplify right side
    53,518.21x = 2,165,334,183.75
  5. Step 5: Solve for x
    x = 2,165,334,183.75/53,518.21
  6. Step 6: Final answer
    x = 40,459.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.