Finding the Fourth Proportional to 92,889.99, 128,189.66 and 52,602.66
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Solution
The fourth proportional to 92,889.99, 128,189.66 and 52,602.66 is: 72,592.50
Step by Step Solution
- Step 1: Write the proportion equation
92,889.99 : 128,189.66 = 52,602.66 : x - Step 2: Convert to fraction form
92,889.99/128,189.66 = 52,602.66/x - Step 3: Cross multiply
92,889.99x = 128,189.66 × 52,602.66 - Step 4: Simplify right side
92,889.99x = 6,743,116,837.48 - Step 5: Solve for x
x = 6,743,116,837.48/92,889.99 - Step 6: Final answer
x = 72,592.50
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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.