Home / 61,050.27-91,589.63-18,928.16

Finding the Fourth Proportional to 61,050.27, 91,589.63 and 18,928.16

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Solution

The fourth proportional to 61,050.27, 91,589.63 and 18,928.16 is: 28,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,050.27 : 91,589.63 = 18,928.16 : x
  2. Step 2: Convert to fraction form
    61,050.27/91,589.63 = 18,928.16/x
  3. Step 3: Cross multiply
    61,050.27x = 91,589.63 × 18,928.16
  4. Step 4: Simplify right side
    61,050.27x = 1,733,622,618.39
  5. Step 5: Solve for x
    x = 1,733,622,618.39/61,050.27
  6. Step 6: Final answer
    x = 28,396.64

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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.