Finding the Fourth Proportional to 106,569.63, 147,066.11 and 58,822.99
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Solution
The fourth proportional to 106,569.63, 147,066.11 and 58,822.99 is: 81,175.74
Step by Step Solution
- Step 1: Write the proportion equation
106,569.63 : 147,066.11 = 58,822.99 : x - Step 2: Convert to fraction form
106,569.63/147,066.11 = 58,822.99/x - Step 3: Cross multiply
106,569.63x = 147,066.11 × 58,822.99 - Step 4: Simplify right side
106,569.63x = 8,650,868,538.48 - Step 5: Solve for x
x = 8,650,868,538.48/106,569.63 - Step 6: Final answer
x = 81,175.74
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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.