Finding the Fourth Proportional to 68,946.98, 103,442.75 and 33,862.03
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Solution
The fourth proportional to 68,946.98, 103,442.75 and 33,862.03 is: 50,803.99
Step by Step Solution
- Step 1: Write the proportion equation
68,946.98 : 103,442.75 = 33,862.03 : x - Step 2: Convert to fraction form
68,946.98/103,442.75 = 33,862.03/x - Step 3: Cross multiply
68,946.98x = 103,442.75 × 33,862.03 - Step 4: Simplify right side
68,946.98x = 3,502,781,503.78 - Step 5: Solve for x
x = 3,502,781,503.78/68,946.98 - Step 6: Final answer
x = 50,803.99
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1.5x scale
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.