Finding the Fourth Proportional to 98,350.84, 135,722.70 and 55,327.08
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Solution
The fourth proportional to 98,350.84, 135,722.70 and 55,327.08 is: 76,350.55
Step by Step Solution
- Step 1: Write the proportion equation
98,350.84 : 135,722.70 = 55,327.08 : x - Step 2: Convert to fraction form
98,350.84/135,722.70 = 55,327.08/x - Step 3: Cross multiply
98,350.84x = 135,722.70 × 55,327.08 - Step 4: Simplify right side
98,350.84x = 7,509,140,680.72 - Step 5: Solve for x
x = 7,509,140,680.72/98,350.84 - Step 6: Final answer
x = 76,350.55
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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.