Finding the Fourth Proportional to 88,872.06, 122,643.51 and 48,585.18
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Solution
The fourth proportional to 88,872.06, 122,643.51 and 48,585.18 is: 67,047.59
Step by Step Solution
- Step 1: Write the proportion equation
88,872.06 : 122,643.51 = 48,585.18 : x - Step 2: Convert to fraction form
88,872.06/122,643.51 = 48,585.18/x - Step 3: Cross multiply
88,872.06x = 122,643.51 × 48,585.18 - Step 4: Simplify right side
88,872.06x = 5,958,657,009.18 - Step 5: Solve for x
x = 5,958,657,009.18/88,872.06 - Step 6: Final answer
x = 67,047.59
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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.