Finding the Fourth Proportional to 84,761.98, 116,970.30 and 48,463.06
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Solution
The fourth proportional to 84,761.98, 116,970.30 and 48,463.06 is: 66,878.32
Step by Step Solution
- Step 1: Write the proportion equation
84,761.98 : 116,970.30 = 48,463.06 : x - Step 2: Convert to fraction form
84,761.98/116,970.30 = 48,463.06/x - Step 3: Cross multiply
84,761.98x = 116,970.30 × 48,463.06 - Step 4: Simplify right side
84,761.98x = 5,668,738,667.12 - Step 5: Solve for x
x = 5,668,738,667.12/84,761.98 - Step 6: Final answer
x = 66,878.32
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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.