Finding the Fourth Proportional to 68,248.84, 102,393.58 and 49,316.26
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Solution
The fourth proportional to 68,248.84, 102,393.58 and 49,316.26 is: 73,989.07
Step by Step Solution
- Step 1: Write the proportion equation
68,248.84 : 102,393.58 = 49,316.26 : x - Step 2: Convert to fraction form
68,248.84/102,393.58 = 49,316.26/x - Step 3: Cross multiply
68,248.84x = 102,393.58 × 49,316.26 - Step 4: Simplify right side
68,248.84x = 5,049,668,413.61 - Step 5: Solve for x
x = 5,049,668,413.61/68,248.84 - Step 6: Final answer
x = 73,989.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.