Finding the Fourth Proportional to 86,326.08, 119,129.84 and 48,600.48
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Solution
The fourth proportional to 86,326.08, 119,129.84 and 48,600.48 is: 67,068.58
Step by Step Solution
- Step 1: Write the proportion equation
86,326.08 : 119,129.84 = 48,600.48 : x - Step 2: Convert to fraction form
86,326.08/119,129.84 = 48,600.48/x - Step 3: Cross multiply
86,326.08x = 119,129.84 × 48,600.48 - Step 4: Simplify right side
86,326.08x = 5,789,767,406.32 - Step 5: Solve for x
x = 5,789,767,406.32/86,326.08 - Step 6: Final answer
x = 67,068.58
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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.