Home / 57,699.10-86,548.65-51,247.90

Finding the Fourth Proportional to 57,699.10, 86,548.65 and 51,247.90

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Solution

The fourth proportional to 57,699.10, 86,548.65 and 51,247.90 is: 76,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.10 : 86,548.65 = 51,247.90 : x
  2. Step 2: Convert to fraction form
    57,699.10/86,548.65 = 51,247.90/x
  3. Step 3: Cross multiply
    57,699.10x = 86,548.65 × 51,247.90
  4. Step 4: Simplify right side
    57,699.10x = 4,435,436,560.34
  5. Step 5: Solve for x
    x = 4,435,436,560.34/57,699.10
  6. Step 6: Final answer
    x = 76,871.85

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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.