Home / 57,158.85-85,720.09-53,427.33

Finding the Fourth Proportional to 57,158.85, 85,720.09 and 53,427.33

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Solution

The fourth proportional to 57,158.85, 85,720.09 and 53,427.33 is: 80,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158.85 : 85,720.09 = 53,427.33 : x
  2. Step 2: Convert to fraction form
    57,158.85/85,720.09 = 53,427.33/x
  3. Step 3: Cross multiply
    57,158.85x = 85,720.09 × 53,427.33
  4. Step 4: Simplify right side
    57,158.85x = 4,579,795,107.46
  5. Step 5: Solve for x
    x = 4,579,795,107.46/57,158.85
  6. Step 6: Final answer
    x = 80,124.00

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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.