Home / 45,189.28-67,779.60-27,650.08

Finding the Fourth Proportional to 45,189.28, 67,779.60 and 27,650.08

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Solution

The fourth proportional to 45,189.28, 67,779.60 and 27,650.08 is: 41,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,189.28 : 67,779.60 = 27,650.08 : x
  2. Step 2: Convert to fraction form
    45,189.28/67,779.60 = 27,650.08/x
  3. Step 3: Cross multiply
    45,189.28x = 67,779.60 × 27,650.08
  4. Step 4: Simplify right side
    45,189.28x = 1,874,111,362.37
  5. Step 5: Solve for x
    x = 1,874,111,362.37/45,189.28
  6. Step 6: Final answer
    x = 41,472.48

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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.