Finding the Fourth Proportional to 92,897.13, 128,193.74 and 52,611.18
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Solution
The fourth proportional to 92,897.13, 128,193.74 and 52,611.18 is: 72,600.99
Step by Step Solution
- Step 1: Write the proportion equation
92,897.13 : 128,193.74 = 52,611.18 : x - Step 2: Convert to fraction form
92,897.13/128,193.74 = 52,611.18/x - Step 3: Cross multiply
92,897.13x = 128,193.74 × 52,611.18 - Step 4: Simplify right side
92,897.13x = 6,744,423,930.01 - Step 5: Solve for x
x = 6,744,423,930.01/92,897.13 - Step 6: Final answer
x = 72,600.99
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1.5x scale
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.