Finding the Fourth Proportional to 86,508.24, 119,386.08 and 48,276.24
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Solution
The fourth proportional to 86,508.24, 119,386.08 and 48,276.24 is: 66,623.84
Step by Step Solution
- Step 1: Write the proportion equation
86,508.24 : 119,386.08 = 48,276.24 : x - Step 2: Convert to fraction form
86,508.24/119,386.08 = 48,276.24/x - Step 3: Cross multiply
86,508.24x = 119,386.08 × 48,276.24 - Step 4: Simplify right side
86,508.24x = 5,763,511,050.74 - Step 5: Solve for x
x = 5,763,511,050.74/86,508.24 - Step 6: Final answer
x = 66,623.84
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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.