Home / 61,219.11-91,817.91-16,835.16

Finding the Fourth Proportional to 61,219.11, 91,817.91 and 16,835.16

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Solution

The fourth proportional to 61,219.11, 91,817.91 and 16,835.16 is: 25,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,219.11 : 91,817.91 = 16,835.16 : x
  2. Step 2: Convert to fraction form
    61,219.11/91,817.91 = 16,835.16/x
  3. Step 3: Cross multiply
    61,219.11x = 91,817.91 × 16,835.16
  4. Step 4: Simplify right side
    61,219.11x = 1,545,769,205.72
  5. Step 5: Solve for x
    x = 1,545,769,205.72/61,219.11
  6. Step 6: Final answer
    x = 25,249.78

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1.5x scale

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.