Finding the Fourth Proportional to 88,702.17, 122,408.15 and 48,416.19
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Solution
The fourth proportional to 88,702.17, 122,408.15 and 48,416.19 is: 66,813.88
Step by Step Solution
- Step 1: Write the proportion equation
88,702.17 : 122,408.15 = 48,416.19 : x - Step 2: Convert to fraction form
88,702.17/122,408.15 = 48,416.19/x - Step 3: Cross multiply
88,702.17x = 122,408.15 × 48,416.19 - Step 4: Simplify right side
88,702.17x = 5,926,536,005.87 - Step 5: Solve for x
x = 5,926,536,005.87/88,702.17 - Step 6: Final answer
x = 66,813.88
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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.