Finding the Fourth Proportional to 84,372.36, 116,436.36 and 46,134.18
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Solution
The fourth proportional to 84,372.36, 116,436.36 and 46,134.18 is: 63,666.54
Step by Step Solution
- Step 1: Write the proportion equation
84,372.36 : 116,436.36 = 46,134.18 : x - Step 2: Convert to fraction form
84,372.36/116,436.36 = 46,134.18/x - Step 3: Cross multiply
84,372.36x = 116,436.36 × 46,134.18 - Step 4: Simplify right side
84,372.36x = 5,371,695,990.78 - Step 5: Solve for x
x = 5,371,695,990.78/84,372.36 - Step 6: Final answer
x = 63,666.54
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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.