Finding the Fourth Proportional to 117,720.97, 176,692.44 and 42,913.42
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Solution
The fourth proportional to 117,720.97, 176,692.44 and 42,913.42 is: 64,410.59
Step by Step Solution
- Step 1: Write the proportion equation
117,720.97 : 176,692.44 = 42,913.42 : x - Step 2: Convert to fraction form
117,720.97/176,692.44 = 42,913.42/x - Step 3: Cross multiply
117,720.97x = 176,692.44 × 42,913.42 - Step 4: Simplify right side
117,720.97x = 7,582,476,888.54 - Step 5: Solve for x
x = 7,582,476,888.54/117,720.97 - Step 6: Final answer
x = 64,410.59
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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.