Finding the Fourth Proportional to 84,394.13, 116,343.68 and 57,502.13
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Solution
The fourth proportional to 84,394.13, 116,343.68 and 57,502.13 is: 79,271.02
Step by Step Solution
- Step 1: Write the proportion equation
84,394.13 : 116,343.68 = 57,502.13 : x - Step 2: Convert to fraction form
84,394.13/116,343.68 = 57,502.13/x - Step 3: Cross multiply
84,394.13x = 116,343.68 × 57,502.13 - Step 4: Simplify right side
84,394.13x = 6,690,008,542.81 - Step 5: Solve for x
x = 6,690,008,542.81/84,394.13 - Step 6: Final answer
x = 79,271.02
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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.