Finding the Fourth Proportional to 79,827.84, 110,135.68 and 51,552.64
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Solution
The fourth proportional to 79,827.84, 110,135.68 and 51,552.64 is: 71,125.38
Step by Step Solution
- Step 1: Write the proportion equation
79,827.84 : 110,135.68 = 51,552.64 : x - Step 2: Convert to fraction form
79,827.84/110,135.68 = 51,552.64/x - Step 3: Cross multiply
79,827.84x = 110,135.68 × 51,552.64 - Step 4: Simplify right side
79,827.84x = 5,677,785,062.20 - Step 5: Solve for x
x = 5,677,785,062.20/79,827.84 - Step 6: Final answer
x = 71,125.38
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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.