Finding the Fourth Proportional to 78,683.36, 118,059.93 and 41,234.53
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Solution
The fourth proportional to 78,683.36, 118,059.93 and 41,234.53 is: 61,870.08
Step by Step Solution
- Step 1: Write the proportion equation
78,683.36 : 118,059.93 = 41,234.53 : x - Step 2: Convert to fraction form
78,683.36/118,059.93 = 41,234.53/x - Step 3: Cross multiply
78,683.36x = 118,059.93 × 41,234.53 - Step 4: Simplify right side
78,683.36x = 4,868,145,496.97 - Step 5: Solve for x
x = 4,868,145,496.97/78,683.36 - Step 6: Final answer
x = 61,870.08
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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.