Finding the Fourth Proportional to 79,747.22, 110,054.88 and 47,474.53
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Solution
The fourth proportional to 79,747.22, 110,054.88 and 47,474.53 is: 65,517.06
Step by Step Solution
- Step 1: Write the proportion equation
79,747.22 : 110,054.88 = 47,474.53 : x - Step 2: Convert to fraction form
79,747.22/110,054.88 = 47,474.53/x - Step 3: Cross multiply
79,747.22x = 110,054.88 × 47,474.53 - Step 4: Simplify right side
79,747.22x = 5,224,803,702.21 - Step 5: Solve for x
x = 5,224,803,702.21/79,747.22 - Step 6: Final answer
x = 65,517.06
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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.