Finding the Fourth Proportional to 98,641.12, 147,975.72 and 32,059.84
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Solution
The fourth proportional to 98,641.12, 147,975.72 and 32,059.84 is: 48,094.32
Step by Step Solution
- Step 1: Write the proportion equation
98,641.12 : 147,975.72 = 32,059.84 : x - Step 2: Convert to fraction form
98,641.12/147,975.72 = 32,059.84/x - Step 3: Cross multiply
98,641.12x = 147,975.72 × 32,059.84 - Step 4: Simplify right side
98,641.12x = 4,744,077,907.08 - Step 5: Solve for x
x = 4,744,077,907.08/98,641.12 - Step 6: Final answer
x = 48,094.32
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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.