Finding the Fourth Proportional to 86,504.24, 119,394.96 and 56,236.88
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Solution
The fourth proportional to 86,504.24, 119,394.96 and 56,236.88 is: 77,619.32
Step by Step Solution
- Step 1: Write the proportion equation
86,504.24 : 119,394.96 = 56,236.88 : x - Step 2: Convert to fraction form
86,504.24/119,394.96 = 56,236.88/x - Step 3: Cross multiply
86,504.24x = 119,394.96 × 56,236.88 - Step 4: Simplify right side
86,504.24x = 6,714,400,038.12 - Step 5: Solve for x
x = 6,714,400,038.12/86,504.24 - Step 6: Final answer
x = 77,619.32
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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.