Finding the Fourth Proportional to 98,565.14, 136,032.72 and 68,334.78
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Solution
The fourth proportional to 98,565.14, 136,032.72 and 68,334.78 is: 94,310.89
Step by Step Solution
- Step 1: Write the proportion equation
98,565.14 : 136,032.72 = 68,334.78 : x - Step 2: Convert to fraction form
98,565.14/136,032.72 = 68,334.78/x - Step 3: Cross multiply
98,565.14x = 136,032.72 × 68,334.78 - Step 4: Simplify right side
98,565.14x = 9,295,765,994.00 - Step 5: Solve for x
x = 9,295,765,994.00/98,565.14 - Step 6: Final answer
x = 94,310.89
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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.