Home / 55,182.90-82,709.55-25,538.13

Finding the Fourth Proportional to 55,182.90, 82,709.55 and 25,538.13

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Solution

The fourth proportional to 55,182.90, 82,709.55 and 25,538.13 is: 38,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.90 : 82,709.55 = 25,538.13 : x
  2. Step 2: Convert to fraction form
    55,182.90/82,709.55 = 25,538.13/x
  3. Step 3: Cross multiply
    55,182.90x = 82,709.55 × 25,538.13
  4. Step 4: Simplify right side
    55,182.90x = 2,112,247,240.14
  5. Step 5: Solve for x
    x = 2,112,247,240.14/55,182.90
  6. Step 6: Final answer
    x = 38,277.21

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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.