Finding the Fourth Proportional to 94,478.52, 130,366.80 and 54,193.98
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Solution
The fourth proportional to 94,478.52, 130,366.80 and 54,193.98 is: 74,779.92
Step by Step Solution
- Step 1: Write the proportion equation
94,478.52 : 130,366.80 = 54,193.98 : x - Step 2: Convert to fraction form
94,478.52/130,366.80 = 54,193.98/x - Step 3: Cross multiply
94,478.52x = 130,366.80 × 54,193.98 - Step 4: Simplify right side
94,478.52x = 7,065,095,751.86 - Step 5: Solve for x
x = 7,065,095,751.86/94,478.52 - Step 6: Final answer
x = 74,779.92
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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.