Finding the Fourth Proportional to 88,361.31, 121,935.00 and 48,075.12
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Solution
The fourth proportional to 88,361.31, 121,935.00 and 48,075.12 is: 66,341.70
Step by Step Solution
- Step 1: Write the proportion equation
88,361.31 : 121,935.00 = 48,075.12 : x - Step 2: Convert to fraction form
88,361.31/121,935.00 = 48,075.12/x - Step 3: Cross multiply
88,361.31x = 121,935.00 × 48,075.12 - Step 4: Simplify right side
88,361.31x = 5,862,039,937.48 - Step 5: Solve for x
x = 5,862,039,937.48/88,361.31 - Step 6: Final answer
x = 66,341.70
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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.