Finding the Fourth Proportional to 97,293.44, 145,928.64 and 30,730.88
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Solution
The fourth proportional to 97,293.44, 145,928.64 and 30,730.88 is: 46,092.68
Step by Step Solution
- Step 1: Write the proportion equation
97,293.44 : 145,928.64 = 30,730.88 : x - Step 2: Convert to fraction form
97,293.44/145,928.64 = 30,730.88/x - Step 3: Cross multiply
97,293.44x = 145,928.64 × 30,730.88 - Step 4: Simplify right side
97,293.44x = 4,484,515,524.40 - Step 5: Solve for x
x = 4,484,515,524.40/97,293.44 - Step 6: Final answer
x = 46,092.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.