Home / 57,849.12-86,741.28-22,779.36

Finding the Fourth Proportional to 57,849.12, 86,741.28 and 22,779.36

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Solution

The fourth proportional to 57,849.12, 86,741.28 and 22,779.36 is: 34,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,849.12 : 86,741.28 = 22,779.36 : x
  2. Step 2: Convert to fraction form
    57,849.12/86,741.28 = 22,779.36/x
  3. Step 3: Cross multiply
    57,849.12x = 86,741.28 × 22,779.36
  4. Step 4: Simplify right side
    57,849.12x = 1,975,910,843.98
  5. Step 5: Solve for x
    x = 1,975,910,843.98/57,849.12
  6. Step 6: Final answer
    x = 34,156.28

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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.