Finding the Fourth Proportional to 92,926.44, 128,230.52 and 51,534.75
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Solution
The fourth proportional to 92,926.44, 128,230.52 and 51,534.75 is: 71,113.54
Step by Step Solution
- Step 1: Write the proportion equation
92,926.44 : 128,230.52 = 51,534.75 : x - Step 2: Convert to fraction form
92,926.44/128,230.52 = 51,534.75/x - Step 3: Cross multiply
92,926.44x = 128,230.52 × 51,534.75 - Step 4: Simplify right side
92,926.44x = 6,608,328,013.76 - Step 5: Solve for x
x = 6,608,328,013.76/92,926.44 - Step 6: Final answer
x = 71,113.54
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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.