Finding the Fourth Proportional to 98,094.62, 135,375.03 and 57,810.08
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Solution
The fourth proportional to 98,094.62, 135,375.03 and 57,810.08 is: 79,780.54
Step by Step Solution
- Step 1: Write the proportion equation
98,094.62 : 135,375.03 = 57,810.08 : x - Step 2: Convert to fraction form
98,094.62/135,375.03 = 57,810.08/x - Step 3: Cross multiply
98,094.62x = 135,375.03 × 57,810.08 - Step 4: Simplify right side
98,094.62x = 7,826,041,314.30 - Step 5: Solve for x
x = 7,826,041,314.30/98,094.62 - Step 6: Final answer
x = 79,780.54
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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.