Finding the Fourth Proportional to 79,782.18, 119,560.28 and 44,259.03
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Solution
The fourth proportional to 79,782.18, 119,560.28 and 44,259.03 is: 66,325.86
Step by Step Solution
- Step 1: Write the proportion equation
79,782.18 : 119,560.28 = 44,259.03 : x - Step 2: Convert to fraction form
79,782.18/119,560.28 = 44,259.03/x - Step 3: Cross multiply
79,782.18x = 119,560.28 × 44,259.03 - Step 4: Simplify right side
79,782.18x = 5,291,621,798.03 - Step 5: Solve for x
x = 5,291,621,798.03/79,782.18 - Step 6: Final answer
x = 66,325.86
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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.