Home / 57,704.10-86,556.15-53,427.30

Finding the Fourth Proportional to 57,704.10, 86,556.15 and 53,427.30

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Solution

The fourth proportional to 57,704.10, 86,556.15 and 53,427.30 is: 80,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704.10 : 86,556.15 = 53,427.30 : x
  2. Step 2: Convert to fraction form
    57,704.10/86,556.15 = 53,427.30/x
  3. Step 3: Cross multiply
    57,704.10x = 86,556.15 × 53,427.30
  4. Step 4: Simplify right side
    57,704.10x = 4,624,461,392.90
  5. Step 5: Solve for x
    x = 4,624,461,392.90/57,704.10
  6. Step 6: Final answer
    x = 80,140.95

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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.