Finding the Fourth Proportional to 93,486.25, 129,009.41 and 53,199.18
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Solution
The fourth proportional to 93,486.25, 129,009.41 and 53,199.18 is: 73,413.95
Step by Step Solution
- Step 1: Write the proportion equation
93,486.25 : 129,009.41 = 53,199.18 : x - Step 2: Convert to fraction form
93,486.25/129,009.41 = 53,199.18/x - Step 3: Cross multiply
93,486.25x = 129,009.41 × 53,199.18 - Step 4: Simplify right side
93,486.25x = 6,863,194,757.78 - Step 5: Solve for x
x = 6,863,194,757.78/93,486.25 - Step 6: Final answer
x = 73,413.95
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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.