Finding the Fourth Proportional to 88,192.56, 121,706.64 and 47,907.12
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Solution
The fourth proportional to 88,192.56, 121,706.64 and 47,907.12 is: 66,112.32
Step by Step Solution
- Step 1: Write the proportion equation
88,192.56 : 121,706.64 = 47,907.12 : x - Step 2: Convert to fraction form
88,192.56/121,706.64 = 47,907.12/x - Step 3: Cross multiply
88,192.56x = 121,706.64 × 47,907.12 - Step 4: Simplify right side
88,192.56x = 5,830,614,607.28 - Step 5: Solve for x
x = 5,830,614,607.28/88,192.56 - Step 6: Final answer
x = 66,112.32
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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.