Finding the Fourth Proportional to 84,756.72, 116,965.08 and 47,034.48
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Solution
The fourth proportional to 84,756.72, 116,965.08 and 47,034.48 is: 64,908.03
Step by Step Solution
- Step 1: Write the proportion equation
84,756.72 : 116,965.08 = 47,034.48 : x - Step 2: Convert to fraction form
84,756.72/116,965.08 = 47,034.48/x - Step 3: Cross multiply
84,756.72x = 116,965.08 × 47,034.48 - Step 4: Simplify right side
84,756.72x = 5,501,391,715.96 - Step 5: Solve for x
x = 5,501,391,715.96/84,756.72 - Step 6: Final answer
x = 64,908.03
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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.