Finding the Fourth Proportional to 88,702.80, 133,075.47 and 29,538.99
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Solution
The fourth proportional to 88,702.80, 133,075.47 and 29,538.99 is: 44,315.57
Step by Step Solution
- Step 1: Write the proportion equation
88,702.80 : 133,075.47 = 29,538.99 : x - Step 2: Convert to fraction form
88,702.80/133,075.47 = 29,538.99/x - Step 3: Cross multiply
88,702.80x = 133,075.47 × 29,538.99 - Step 4: Simplify right side
88,702.80x = 3,930,914,977.58 - Step 5: Solve for x
x = 3,930,914,977.58/88,702.80 - Step 6: Final answer
x = 44,315.57
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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.