Finding the Fourth Proportional to 97,396.64, 134,407.48 and 54,959.12
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Solution
The fourth proportional to 97,396.64, 134,407.48 and 54,959.12 is: 75,843.65
Step by Step Solution
- Step 1: Write the proportion equation
97,396.64 : 134,407.48 = 54,959.12 : x - Step 2: Convert to fraction form
97,396.64/134,407.48 = 54,959.12/x - Step 3: Cross multiply
97,396.64x = 134,407.48 × 54,959.12 - Step 4: Simplify right side
97,396.64x = 7,386,916,822.22 - Step 5: Solve for x
x = 7,386,916,822.22/97,396.64 - Step 6: Final answer
x = 75,843.65
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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.