Finding the Fourth Proportional to 68,307.48, 102,461.22 and 21,564
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Solution
The fourth proportional to 68,307.48, 102,461.22 and 21,564 is: 32,346
Step by Step Solution
- Step 1: Write the proportion equation
68,307.48 : 102,461.22 = 21,564 : x - Step 2: Convert to fraction form
68,307.48/102,461.22 = 21,564/x - Step 3: Cross multiply
68,307.48x = 102,461.22 × 21,564 - Step 4: Simplify right side
68,307.48x = 2,209,473,748.08 - Step 5: Solve for x
x = 2,209,473,748.08/68,307.48 - Step 6: Final answer
x = 32,346
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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.