Finding the Fourth Proportional to 125,865.54, 173,699.37 and 69,282.18
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Solution
The fourth proportional to 125,865.54, 173,699.37 and 69,282.18 is: 95,612.12
Step by Step Solution
- Step 1: Write the proportion equation
125,865.54 : 173,699.37 = 69,282.18 : x - Step 2: Convert to fraction form
125,865.54/173,699.37 = 69,282.18/x - Step 3: Cross multiply
125,865.54x = 173,699.37 × 69,282.18 - Step 4: Simplify right side
125,865.54x = 12,034,271,018.23 - Step 5: Solve for x
x = 12,034,271,018.23/125,865.54 - Step 6: Final answer
x = 95,612.12
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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.