Finding the Fourth Proportional to 106,577.58, 147,066.57 and 58,827.84
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Solution
The fourth proportional to 106,577.58, 147,066.57 and 58,827.84 is: 81,176.63
Step by Step Solution
- Step 1: Write the proportion equation
106,577.58 : 147,066.57 = 58,827.84 : x - Step 2: Convert to fraction form
106,577.58/147,066.57 = 58,827.84/x - Step 3: Cross multiply
106,577.58x = 147,066.57 × 58,827.84 - Step 4: Simplify right side
106,577.58x = 8,651,608,649.31 - Step 5: Solve for x
x = 8,651,608,649.31/106,577.58 - Step 6: Final answer
x = 81,176.63
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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.