Finding the Fourth Proportional to 86,811.08, 119,800.26 and 47,067.08
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Solution
The fourth proportional to 86,811.08, 119,800.26 and 47,067.08 is: 64,953.10
Step by Step Solution
- Step 1: Write the proportion equation
86,811.08 : 119,800.26 = 47,067.08 : x - Step 2: Convert to fraction form
86,811.08/119,800.26 = 47,067.08/x - Step 3: Cross multiply
86,811.08x = 119,800.26 × 47,067.08 - Step 4: Simplify right side
86,811.08x = 5,638,648,421.44 - Step 5: Solve for x
x = 5,638,648,421.44/86,811.08 - Step 6: Final answer
x = 64,953.10
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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.