Finding the Fourth Proportional to 86,508.24, 119,400.48 and 56,240.88
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Solution
The fourth proportional to 86,508.24, 119,400.48 and 56,240.88 is: 77,624.84
Step by Step Solution
- Step 1: Write the proportion equation
86,508.24 : 119,400.48 = 56,240.88 : x - Step 2: Convert to fraction form
86,508.24/119,400.48 = 56,240.88/x - Step 3: Cross multiply
86,508.24x = 119,400.48 × 56,240.88 - Step 4: Simplify right side
86,508.24x = 6,715,188,067.62 - Step 5: Solve for x
x = 6,715,188,067.62/86,508.24 - Step 6: Final answer
x = 77,624.84
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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.