Finding the Fourth Proportional to 84,032.10, 115,963.92 and 46,306.26
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Solution
The fourth proportional to 84,032.10, 115,963.92 and 46,306.26 is: 63,902.43
Step by Step Solution
- Step 1: Write the proportion equation
84,032.10 : 115,963.92 = 46,306.26 : x - Step 2: Convert to fraction form
84,032.10/115,963.92 = 46,306.26/x - Step 3: Cross multiply
84,032.10x = 115,963.92 × 46,306.26 - Step 4: Simplify right side
84,032.10x = 5,369,855,430.14 - Step 5: Solve for x
x = 5,369,855,430.14/84,032.10 - Step 6: Final answer
x = 63,902.43
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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.