Home / 51,861.45-77,650.53-39,174.02

Finding the Fourth Proportional to 51,861.45, 77,650.53 and 39,174.02

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Solution

The fourth proportional to 51,861.45, 77,650.53 and 39,174.02 is: 58,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861.45 : 77,650.53 = 39,174.02 : x
  2. Step 2: Convert to fraction form
    51,861.45/77,650.53 = 39,174.02/x
  3. Step 3: Cross multiply
    51,861.45x = 77,650.53 × 39,174.02
  4. Step 4: Simplify right side
    51,861.45x = 3,041,883,415.23
  5. Step 5: Solve for x
    x = 3,041,883,415.23/51,861.45
  6. Step 6: Final answer
    x = 58,654.04

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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.