Finding the Fourth Proportional to 93,951.48, 129,657.06 and 56,218.44
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Solution
The fourth proportional to 93,951.48, 129,657.06 and 56,218.44 is: 77,583.85
Step by Step Solution
- Step 1: Write the proportion equation
93,951.48 : 129,657.06 = 56,218.44 : x - Step 2: Convert to fraction form
93,951.48/129,657.06 = 56,218.44/x - Step 3: Cross multiply
93,951.48x = 129,657.06 × 56,218.44 - Step 4: Simplify right side
93,951.48x = 7,289,117,648.19 - Step 5: Solve for x
x = 7,289,117,648.19/93,951.48 - Step 6: Final answer
x = 77,583.85
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1.5x scale
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.