Finding the Fourth Proportional to 117,115.71, 175,647.27 and 53,875.09
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Solution
The fourth proportional to 117,115.71, 175,647.27 and 53,875.09 is: 80,800.54
Step by Step Solution
- Step 1: Write the proportion equation
117,115.71 : 175,647.27 = 53,875.09 : x - Step 2: Convert to fraction form
117,115.71/175,647.27 = 53,875.09/x - Step 3: Cross multiply
117,115.71x = 175,647.27 × 53,875.09 - Step 4: Simplify right side
117,115.71x = 9,463,012,598.05 - Step 5: Solve for x
x = 9,463,012,598.05/117,115.71 - Step 6: Final answer
x = 80,800.54
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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.