Finding the Fourth Proportional to 92,887.68, 128,232.16 and 58,930.88
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Solution
The fourth proportional to 92,887.68, 128,232.16 and 58,930.88 is: 81,354.54
Step by Step Solution
- Step 1: Write the proportion equation
92,887.68 : 128,232.16 = 58,930.88 : x - Step 2: Convert to fraction form
92,887.68/128,232.16 = 58,930.88/x - Step 3: Cross multiply
92,887.68x = 128,232.16 × 58,930.88 - Step 4: Simplify right side
92,887.68x = 7,556,834,033.10 - Step 5: Solve for x
x = 7,556,834,033.10/92,887.68 - Step 6: Final answer
x = 81,354.54
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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.