Finding the Fourth Proportional to 112,526.08, 155,284.80 and 62,224.96
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Solution
The fourth proportional to 112,526.08, 155,284.80 and 62,224.96 is: 85,869.79
Step by Step Solution
- Step 1: Write the proportion equation
112,526.08 : 155,284.80 = 62,224.96 : x - Step 2: Convert to fraction form
112,526.08/155,284.80 = 62,224.96/x - Step 3: Cross multiply
112,526.08x = 155,284.80 × 62,224.96 - Step 4: Simplify right side
112,526.08x = 9,662,590,468.61 - Step 5: Solve for x
x = 9,662,590,468.61/112,526.08 - Step 6: Final answer
x = 85,869.79
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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.