Finding the Fourth Proportional to 96,656.02, 133,082.18 and 87,798.66
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Solution
The fourth proportional to 96,656.02, 133,082.18 and 87,798.66 is: 120,886.80
Step by Step Solution
- Step 1: Write the proportion equation
96,656.02 : 133,082.18 = 87,798.66 : x - Step 2: Convert to fraction form
96,656.02/133,082.18 = 87,798.66/x - Step 3: Cross multiply
96,656.02x = 133,082.18 × 87,798.66 - Step 4: Simplify right side
96,656.02x = 11,684,437,073.88 - Step 5: Solve for x
x = 11,684,437,073.88/96,656.02 - Step 6: Final answer
x = 120,886.80
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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.