Home / 45,581.64-68,372.01-14,416.89

Finding the Fourth Proportional to 45,581.64, 68,372.01 and 14,416.89

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Solution

The fourth proportional to 45,581.64, 68,372.01 and 14,416.89 is: 21,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,581.64 : 68,372.01 = 14,416.89 : x
  2. Step 2: Convert to fraction form
    45,581.64/68,372.01 = 14,416.89/x
  3. Step 3: Cross multiply
    45,581.64x = 68,372.01 × 14,416.89
  4. Step 4: Simplify right side
    45,581.64x = 985,711,747.25
  5. Step 5: Solve for x
    x = 985,711,747.25/45,581.64
  6. Step 6: Final answer
    x = 21,625.19

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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.