Finding the Fourth Proportional to 79,781.68, 119,559.52 and 44,258.52
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Solution
The fourth proportional to 79,781.68, 119,559.52 and 44,258.52 is: 66,325.09
Step by Step Solution
- Step 1: Write the proportion equation
79,781.68 : 119,559.52 = 44,258.52 : x - Step 2: Convert to fraction form
79,781.68/119,559.52 = 44,258.52/x - Step 3: Cross multiply
79,781.68x = 119,559.52 × 44,258.52 - Step 4: Simplify right side
79,781.68x = 5,291,527,407.11 - Step 5: Solve for x
x = 5,291,527,407.11/79,781.68 - Step 6: Final answer
x = 66,325.09
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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.