Finding the Fourth Proportional to 79,862.48, 119,779.67 and 29,251.05
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Solution
The fourth proportional to 79,862.48, 119,779.67 and 29,251.05 is: 43,871.43
Step by Step Solution
- Step 1: Write the proportion equation
79,862.48 : 119,779.67 = 29,251.05 : x - Step 2: Convert to fraction form
79,862.48/119,779.67 = 29,251.05/x - Step 3: Cross multiply
79,862.48x = 119,779.67 × 29,251.05 - Step 4: Simplify right side
79,862.48x = 3,503,681,116.15 - Step 5: Solve for x
x = 3,503,681,116.15/79,862.48 - Step 6: Final answer
x = 43,871.43
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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.