Finding the Fourth Proportional to 98,432.08, 135,793.66 and 60,193.30
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Solution
The fourth proportional to 98,432.08, 135,793.66 and 60,193.30 is: 83,040.70
Step by Step Solution
- Step 1: Write the proportion equation
98,432.08 : 135,793.66 = 60,193.30 : x - Step 2: Convert to fraction form
98,432.08/135,793.66 = 60,193.30/x - Step 3: Cross multiply
98,432.08x = 135,793.66 × 60,193.30 - Step 4: Simplify right side
98,432.08x = 8,173,868,514.48 - Step 5: Solve for x
x = 8,173,868,514.48/98,432.08 - Step 6: Final answer
x = 83,040.70
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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.