Finding the Fourth Proportional to 88,695.23, 122,402.07 and 48,411.63
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Solution
The fourth proportional to 88,695.23, 122,402.07 and 48,411.63 is: 66,809.50
Step by Step Solution
- Step 1: Write the proportion equation
88,695.23 : 122,402.07 = 48,411.63 : x - Step 2: Convert to fraction form
88,695.23/122,402.07 = 48,411.63/x - Step 3: Cross multiply
88,695.23x = 122,402.07 × 48,411.63 - Step 4: Simplify right side
88,695.23x = 5,925,683,724.07 - Step 5: Solve for x
x = 5,925,683,724.07/88,695.23 - Step 6: Final answer
x = 66,809.50
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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.