Finding the Fourth Proportional to 88,837.44, 122,426.88 and 63,643.20
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Solution
The fourth proportional to 88,837.44, 122,426.88 and 63,643.20 is: 87,706.70
Step by Step Solution
- Step 1: Write the proportion equation
88,837.44 : 122,426.88 = 63,643.20 : x - Step 2: Convert to fraction form
88,837.44/122,426.88 = 63,643.20/x - Step 3: Cross multiply
88,837.44x = 122,426.88 × 63,643.20 - Step 4: Simplify right side
88,837.44x = 7,791,638,409.22 - Step 5: Solve for x
x = 7,791,638,409.22/88,837.44 - Step 6: Final answer
x = 87,706.70
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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.