Finding the Fourth Proportional to 117,986.08, 176,973.97 and 38,022.27
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Solution
The fourth proportional to 117,986.08, 176,973.97 and 38,022.27 is: 57,031.75
Step by Step Solution
- Step 1: Write the proportion equation
117,986.08 : 176,973.97 = 38,022.27 : x - Step 2: Convert to fraction form
117,986.08/176,973.97 = 38,022.27/x - Step 3: Cross multiply
117,986.08x = 176,973.97 × 38,022.27 - Step 4: Simplify right side
117,986.08x = 6,728,952,070.31 - Step 5: Solve for x
x = 6,728,952,070.31/117,986.08 - Step 6: Final answer
x = 57,031.75
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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.