Finding the Fourth Proportional to 125,405.08, 173,059.34 and 71,691.55
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Solution
The fourth proportional to 125,405.08, 173,059.34 and 71,691.55 is: 98,934.52
Step by Step Solution
- Step 1: Write the proportion equation
125,405.08 : 173,059.34 = 71,691.55 : x - Step 2: Convert to fraction form
125,405.08/173,059.34 = 71,691.55/x - Step 3: Cross multiply
125,405.08x = 173,059.34 × 71,691.55 - Step 4: Simplify right side
125,405.08x = 12,406,891,535.47 - Step 5: Solve for x
x = 12,406,891,535.47/125,405.08 - Step 6: Final answer
x = 98,934.52
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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.