Home / 57,747.90-86,621.85-35,586.30

Finding the Fourth Proportional to 57,747.90, 86,621.85 and 35,586.30

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Solution

The fourth proportional to 57,747.90, 86,621.85 and 35,586.30 is: 53,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.90 : 86,621.85 = 35,586.30 : x
  2. Step 2: Convert to fraction form
    57,747.90/86,621.85 = 35,586.30/x
  3. Step 3: Cross multiply
    57,747.90x = 86,621.85 × 35,586.30
  4. Step 4: Simplify right side
    57,747.90x = 3,082,551,140.66
  5. Step 5: Solve for x
    x = 3,082,551,140.66/57,747.90
  6. Step 6: Final answer
    x = 53,379.45

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Similar ratio
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1.5x scale

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.