Finding the Fourth Proportional to 84,034.17, 115,965.66 and 45,794.06
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Solution
The fourth proportional to 84,034.17, 115,965.66 and 45,794.06 is: 63,194.99
Step by Step Solution
- Step 1: Write the proportion equation
84,034.17 : 115,965.66 = 45,794.06 : x - Step 2: Convert to fraction form
84,034.17/115,965.66 = 45,794.06/x - Step 3: Cross multiply
84,034.17x = 115,965.66 × 45,794.06 - Step 4: Simplify right side
84,034.17x = 5,310,538,216.55 - Step 5: Solve for x
x = 5,310,538,216.55/84,034.17 - Step 6: Final answer
x = 63,194.99
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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.