Finding the Fourth Proportional to 79,372.15, 119,058.24 and 61,855.09
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Solution
The fourth proportional to 79,372.15, 119,058.24 and 61,855.09 is: 92,782.65
Step by Step Solution
- Step 1: Write the proportion equation
79,372.15 : 119,058.24 = 61,855.09 : x - Step 2: Convert to fraction form
79,372.15/119,058.24 = 61,855.09/x - Step 3: Cross multiply
79,372.15x = 119,058.24 × 61,855.09 - Step 4: Simplify right side
79,372.15x = 7,364,358,150.44 - Step 5: Solve for x
x = 7,364,358,150.44/79,372.15 - Step 6: Final answer
x = 92,782.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.