Finding the Fourth Proportional to 83,583.44, 124,506.44 and 79,056.26
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Solution
The fourth proportional to 83,583.44, 124,506.44 and 79,056.26 is: 117,762.72
Step by Step Solution
- Step 1: Write the proportion equation
83,583.44 : 124,506.44 = 79,056.26 : x - Step 2: Convert to fraction form
83,583.44/124,506.44 = 79,056.26/x - Step 3: Cross multiply
83,583.44x = 124,506.44 × 79,056.26 - Step 4: Simplify right side
83,583.44x = 9,843,013,492.31 - Step 5: Solve for x
x = 9,843,013,492.31/83,583.44 - Step 6: Final answer
x = 117,762.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.