Home / 57,789.96-86,699.52-26,647.08

Finding the Fourth Proportional to 57,789.96, 86,699.52 and 26,647.08

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Solution

The fourth proportional to 57,789.96, 86,699.52 and 26,647.08 is: 39,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,789.96 : 86,699.52 = 26,647.08 : x
  2. Step 2: Convert to fraction form
    57,789.96/86,699.52 = 26,647.08/x
  3. Step 3: Cross multiply
    57,789.96x = 86,699.52 × 26,647.08
  4. Step 4: Simplify right side
    57,789.96x = 2,310,289,045.40
  5. Step 5: Solve for x
    x = 2,310,289,045.40/57,789.96
  6. Step 6: Final answer
    x = 39,977.34

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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.