Finding the Fourth Proportional to 84,424.19, 116,511.70 and 48,126.50
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Solution
The fourth proportional to 84,424.19, 116,511.70 and 48,126.50 is: 66,418.17
Step by Step Solution
- Step 1: Write the proportion equation
84,424.19 : 116,511.70 = 48,126.50 : x - Step 2: Convert to fraction form
84,424.19/116,511.70 = 48,126.50/x - Step 3: Cross multiply
84,424.19x = 116,511.70 × 48,126.50 - Step 4: Simplify right side
84,424.19x = 5,607,300,275.44 - Step 5: Solve for x
x = 5,607,300,275.44/84,424.19 - Step 6: Final answer
x = 66,418.17
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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.