Finding the Fourth Proportional to 83,946.86, 125,942.08 and 37,188.62
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Solution
The fourth proportional to 83,946.86, 125,942.08 and 37,188.62 is: 55,792.58
Step by Step Solution
- Step 1: Write the proportion equation
83,946.86 : 125,942.08 = 37,188.62 : x - Step 2: Convert to fraction form
83,946.86/125,942.08 = 37,188.62/x - Step 3: Cross multiply
83,946.86x = 125,942.08 × 37,188.62 - Step 4: Simplify right side
83,946.86x = 4,683,612,155.13 - Step 5: Solve for x
x = 4,683,612,155.13/83,946.86 - Step 6: Final answer
x = 55,792.58
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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.