Home / 53,758.44-80,561.30-39,607.20

Finding the Fourth Proportional to 53,758.44, 80,561.30 and 39,607.20

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Solution

The fourth proportional to 53,758.44, 80,561.30 and 39,607.20 is: 59,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,758.44 : 80,561.30 = 39,607.20 : x
  2. Step 2: Convert to fraction form
    53,758.44/80,561.30 = 39,607.20/x
  3. Step 3: Cross multiply
    53,758.44x = 80,561.30 × 39,607.20
  4. Step 4: Simplify right side
    53,758.44x = 3,190,807,521.36
  5. Step 5: Solve for x
    x = 3,190,807,521.36/53,758.44
  6. Step 6: Final answer
    x = 59,354.54

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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.