Finding the Fourth Proportional to 93,635.12, 140,374.92 and 65,474.68
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Solution
The fourth proportional to 93,635.12, 140,374.92 and 65,474.68 is: 98,157.65
Step by Step Solution
- Step 1: Write the proportion equation
93,635.12 : 140,374.92 = 65,474.68 : x - Step 2: Convert to fraction form
93,635.12/140,374.92 = 65,474.68/x - Step 3: Cross multiply
93,635.12x = 140,374.92 × 65,474.68 - Step 4: Simplify right side
93,635.12x = 9,191,002,967.03 - Step 5: Solve for x
x = 9,191,002,967.03/93,635.12 - Step 6: Final answer
x = 98,157.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.