Finding the Fourth Proportional to 86,341.97, 129,513.29 and 44,199.05
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Solution
The fourth proportional to 86,341.97, 129,513.29 and 44,199.05 is: 66,298.74
Step by Step Solution
- Step 1: Write the proportion equation
86,341.97 : 129,513.29 = 44,199.05 : x - Step 2: Convert to fraction form
86,341.97/129,513.29 = 44,199.05/x - Step 3: Cross multiply
86,341.97x = 129,513.29 × 44,199.05 - Step 4: Simplify right side
86,341.97x = 5,724,364,159.38 - Step 5: Solve for x
x = 5,724,364,159.38/86,341.97 - Step 6: Final answer
x = 66,298.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.