Finding the Fourth Proportional to 125,574.63, 173,293.05 and 68,989.65
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Solution
The fourth proportional to 125,574.63, 173,293.05 and 68,989.65 is: 95,205.75
Step by Step Solution
- Step 1: Write the proportion equation
125,574.63 : 173,293.05 = 68,989.65 : x - Step 2: Convert to fraction form
125,574.63/173,293.05 = 68,989.65/x - Step 3: Cross multiply
125,574.63x = 173,293.05 × 68,989.65 - Step 4: Simplify right side
125,574.63x = 11,955,426,000.47 - Step 5: Solve for x
x = 11,955,426,000.47/125,574.63 - Step 6: Final answer
x = 95,205.75
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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.