Finding the Fourth Proportional to 97,692.84, 134,813.97 and 55,251.27
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Solution
The fourth proportional to 97,692.84, 134,813.97 and 55,251.27 is: 76,245.54
Step by Step Solution
- Step 1: Write the proportion equation
97,692.84 : 134,813.97 = 55,251.27 : x - Step 2: Convert to fraction form
97,692.84/134,813.97 = 55,251.27/x - Step 3: Cross multiply
97,692.84x = 134,813.97 × 55,251.27 - Step 4: Simplify right side
97,692.84x = 7,448,643,056.24 - Step 5: Solve for x
x = 7,448,643,056.24/97,692.84 - Step 6: Final answer
x = 76,245.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.