Finding the Fourth Proportional to 92,935.05, 128,246.18 and 52,647.99
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Solution
The fourth proportional to 92,935.05, 128,246.18 and 52,647.99 is: 72,651.85
Step by Step Solution
- Step 1: Write the proportion equation
92,935.05 : 128,246.18 = 52,647.99 : x - Step 2: Convert to fraction form
92,935.05/128,246.18 = 52,647.99/x - Step 3: Cross multiply
92,935.05x = 128,246.18 × 52,647.99 - Step 4: Simplify right side
92,935.05x = 6,751,903,602.18 - Step 5: Solve for x
x = 6,751,903,602.18/92,935.05 - Step 6: Final answer
x = 72,651.85
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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.