Finding the Fourth Proportional to 73,788.76, 110,107.64 and 65,836.63
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Solution
The fourth proportional to 73,788.76, 110,107.64 and 65,836.63 is: 98,241.47
Step by Step Solution
- Step 1: Write the proportion equation
73,788.76 : 110,107.64 = 65,836.63 : x - Step 2: Convert to fraction form
73,788.76/110,107.64 = 65,836.63/x - Step 3: Cross multiply
73,788.76x = 110,107.64 × 65,836.63 - Step 4: Simplify right side
73,788.76x = 7,249,115,954.85 - Step 5: Solve for x
x = 7,249,115,954.85/73,788.76 - Step 6: Final answer
x = 98,241.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.