Finding the Fourth Proportional to 97,388.57, 134,393.50 and 54,951.05
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Solution
The fourth proportional to 97,388.57, 134,393.50 and 54,951.05 is: 75,830.91
Step by Step Solution
- Step 1: Write the proportion equation
97,388.57 : 134,393.50 = 54,951.05 : x - Step 2: Convert to fraction form
97,388.57/134,393.50 = 54,951.05/x - Step 3: Cross multiply
97,388.57x = 134,393.50 × 54,951.05 - Step 4: Simplify right side
97,388.57x = 7,385,063,938.18 - Step 5: Solve for x
x = 7,385,063,938.18/97,388.57 - Step 6: Final answer
x = 75,830.91
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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.