Finding the Fourth Proportional to 88,241.66, 121,774.65 and 47,956.06
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Solution
The fourth proportional to 88,241.66, 121,774.65 and 47,956.06 is: 66,179.99
Step by Step Solution
- Step 1: Write the proportion equation
88,241.66 : 121,774.65 = 47,956.06 : x - Step 2: Convert to fraction form
88,241.66/121,774.65 = 47,956.06/x - Step 3: Cross multiply
88,241.66x = 121,774.65 × 47,956.06 - Step 4: Simplify right side
88,241.66x = 5,839,832,182.10 - Step 5: Solve for x
x = 5,839,832,182.10/88,241.66 - Step 6: Final answer
x = 66,179.99
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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.