Home / 54,441.16-81,501.30-53,099.80

Finding the Fourth Proportional to 54,441.16, 81,501.30 and 53,099.80

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Solution

The fourth proportional to 54,441.16, 81,501.30 and 53,099.80 is: 79,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,441.16 : 81,501.30 = 53,099.80 : x
  2. Step 2: Convert to fraction form
    54,441.16/81,501.30 = 53,099.80/x
  3. Step 3: Cross multiply
    54,441.16x = 81,501.30 × 53,099.80
  4. Step 4: Simplify right side
    54,441.16x = 4,327,702,729.74
  5. Step 5: Solve for x
    x = 4,327,702,729.74/54,441.16
  6. Step 6: Final answer
    x = 79,493.21

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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.