Finding the Fourth Proportional to 97,583.31, 134,702.13 and 63,600.08
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Solution
The fourth proportional to 97,583.31, 134,702.13 and 63,600.08 is: 87,792.32
Step by Step Solution
- Step 1: Write the proportion equation
97,583.31 : 134,702.13 = 63,600.08 : x - Step 2: Convert to fraction form
97,583.31/134,702.13 = 63,600.08/x - Step 3: Cross multiply
97,583.31x = 134,702.13 × 63,600.08 - Step 4: Simplify right side
97,583.31x = 8,567,065,570.66 - Step 5: Solve for x
x = 8,567,065,570.66/97,583.31 - Step 6: Final answer
x = 87,792.32
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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.