Home / 77,458.26-116,194.32-30,072.24

Finding the Fourth Proportional to 77,458.26, 116,194.32 and 30,072.24

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Solution

The fourth proportional to 77,458.26, 116,194.32 and 30,072.24 is: 45,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,458.26 : 116,194.32 = 30,072.24 : x
  2. Step 2: Convert to fraction form
    77,458.26/116,194.32 = 30,072.24/x
  3. Step 3: Cross multiply
    77,458.26x = 116,194.32 × 30,072.24
  4. Step 4: Simplify right side
    77,458.26x = 3,494,223,477.68
  5. Step 5: Solve for x
    x = 3,494,223,477.68/77,458.26
  6. Step 6: Final answer
    x = 45,111.05

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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.