Finding the Fourth Proportional to 87,948.44, 121,371.18 and 50,221.88
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Solution
The fourth proportional to 87,948.44, 121,371.18 and 50,221.88 is: 69,307.53
Step by Step Solution
- Step 1: Write the proportion equation
87,948.44 : 121,371.18 = 50,221.88 : x - Step 2: Convert to fraction form
87,948.44/121,371.18 = 50,221.88/x - Step 3: Cross multiply
87,948.44x = 121,371.18 × 50,221.88 - Step 4: Simplify right side
87,948.44x = 6,095,488,837.42 - Step 5: Solve for x
x = 6,095,488,837.42/87,948.44 - Step 6: Final answer
x = 69,307.53
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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.