Finding the Fourth Proportional to 73,963.98, 102,072.30 and 45,283.08
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Solution
The fourth proportional to 73,963.98, 102,072.30 and 45,283.08 is: 62,491.88
Step by Step Solution
- Step 1: Write the proportion equation
73,963.98 : 102,072.30 = 45,283.08 : x - Step 2: Convert to fraction form
73,963.98/102,072.30 = 45,283.08/x - Step 3: Cross multiply
73,963.98x = 102,072.30 × 45,283.08 - Step 4: Simplify right side
73,963.98x = 4,622,148,126.68 - Step 5: Solve for x
x = 4,622,148,126.68/73,963.98 - Step 6: Final answer
x = 62,491.88
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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.