Home / 49,780.26-74,494.91-31,069.05

Finding the Fourth Proportional to 49,780.26, 74,494.91 and 31,069.05

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Solution

The fourth proportional to 49,780.26, 74,494.91 and 31,069.05 is: 46,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780.26 : 74,494.91 = 31,069.05 : x
  2. Step 2: Convert to fraction form
    49,780.26/74,494.91 = 31,069.05/x
  3. Step 3: Cross multiply
    49,780.26x = 74,494.91 × 31,069.05
  4. Step 4: Simplify right side
    49,780.26x = 2,314,485,928.19
  5. Step 5: Solve for x
    x = 2,314,485,928.19/49,780.26
  6. Step 6: Final answer
    x = 46,494.05

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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.