Finding the Fourth Proportional to 98,777.48, 136,311.88 and 53,454.48
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Solution
The fourth proportional to 98,777.48, 136,311.88 and 53,454.48 is: 73,766.62
Step by Step Solution
- Step 1: Write the proportion equation
98,777.48 : 136,311.88 = 53,454.48 : x - Step 2: Convert to fraction form
98,777.48/136,311.88 = 53,454.48/x - Step 3: Cross multiply
98,777.48x = 136,311.88 × 53,454.48 - Step 4: Simplify right side
98,777.48x = 7,286,480,663.22 - Step 5: Solve for x
x = 7,286,480,663.22/98,777.48 - Step 6: Final answer
x = 73,766.62
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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.