Finding the Fourth Proportional to 76,214.08, 105,173.92 and 42,224.88
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Solution
The fourth proportional to 76,214.08, 105,173.92 and 42,224.88 is: 58,269.50
Step by Step Solution
- Step 1: Write the proportion equation
76,214.08 : 105,173.92 = 42,224.88 : x - Step 2: Convert to fraction form
76,214.08/105,173.92 = 42,224.88/x - Step 3: Cross multiply
76,214.08x = 105,173.92 × 42,224.88 - Step 4: Simplify right side
76,214.08x = 4,440,956,151.13 - Step 5: Solve for x
x = 4,440,956,151.13/76,214.08 - Step 6: Final answer
x = 58,269.50
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1.5x scale
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.