Finding the Fourth Proportional to 79,062.48, 109,105.58 and 43,252.79
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Solution
The fourth proportional to 79,062.48, 109,105.58 and 43,252.79 is: 59,688.49
Step by Step Solution
- Step 1: Write the proportion equation
79,062.48 : 109,105.58 = 43,252.79 : x - Step 2: Convert to fraction form
79,062.48/109,105.58 = 43,252.79/x - Step 3: Cross multiply
79,062.48x = 109,105.58 × 43,252.79 - Step 4: Simplify right side
79,062.48x = 4,719,120,302.17 - Step 5: Solve for x
x = 4,719,120,302.17/79,062.48 - Step 6: Final answer
x = 59,688.49
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1.5x scale
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.