Finding the Fourth Proportional to 98,854.17, 136,413.36 and 58,571.66
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Solution
The fourth proportional to 98,854.17, 136,413.36 and 58,571.66 is: 80,825.69
Step by Step Solution
- Step 1: Write the proportion equation
98,854.17 : 136,413.36 = 58,571.66 : x - Step 2: Convert to fraction form
98,854.17/136,413.36 = 58,571.66/x - Step 3: Cross multiply
98,854.17x = 136,413.36 × 58,571.66 - Step 4: Simplify right side
98,854.17x = 7,989,956,259.31 - Step 5: Solve for x
x = 7,989,956,259.31/98,854.17 - Step 6: Final answer
x = 80,825.69
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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.