Finding the Fourth Proportional to 105,883.62, 146,119.52 and 62,871.70
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Solution
The fourth proportional to 105,883.62, 146,119.52 and 62,871.70 is: 86,763.02
Step by Step Solution
- Step 1: Write the proportion equation
105,883.62 : 146,119.52 = 62,871.70 : x - Step 2: Convert to fraction form
105,883.62/146,119.52 = 62,871.70/x - Step 3: Cross multiply
105,883.62x = 146,119.52 × 62,871.70 - Step 4: Simplify right side
105,883.62x = 9,186,782,625.58 - Step 5: Solve for x
x = 9,186,782,625.58/105,883.62 - Step 6: Final answer
x = 86,763.02
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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.