Finding the Fourth Proportional to 79,851.36, 110,181.12 and 51,196.08
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Solution
The fourth proportional to 79,851.36, 110,181.12 and 51,196.08 is: 70,641.77
Step by Step Solution
- Step 1: Write the proportion equation
79,851.36 : 110,181.12 = 51,196.08 : x - Step 2: Convert to fraction form
79,851.36/110,181.12 = 51,196.08/x - Step 3: Cross multiply
79,851.36x = 110,181.12 × 51,196.08 - Step 4: Simplify right side
79,851.36x = 5,640,841,434.01 - Step 5: Solve for x
x = 5,640,841,434.01/79,851.36 - Step 6: Final answer
x = 70,641.77
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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.