Home / 61,290.12-91,849.68-33,149.64

Finding the Fourth Proportional to 61,290.12, 91,849.68 and 33,149.64

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Solution

The fourth proportional to 61,290.12, 91,849.68 and 33,149.64 is: 49,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,290.12 : 91,849.68 = 33,149.64 : x
  2. Step 2: Convert to fraction form
    61,290.12/91,849.68 = 33,149.64/x
  3. Step 3: Cross multiply
    61,290.12x = 91,849.68 × 33,149.64
  4. Step 4: Simplify right side
    61,290.12x = 3,044,783,826.12
  5. Step 5: Solve for x
    x = 3,044,783,826.12/61,290.12
  6. Step 6: Final answer
    x = 49,678.22

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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.