Finding the Fourth Proportional to 125,574.93, 173,216.61 and 74,553.03
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Solution
The fourth proportional to 125,574.93, 173,216.61 and 74,553.03 is: 102,837.59
Step by Step Solution
- Step 1: Write the proportion equation
125,574.93 : 173,216.61 = 74,553.03 : x - Step 2: Convert to fraction form
125,574.93/173,216.61 = 74,553.03/x - Step 3: Cross multiply
125,574.93x = 173,216.61 × 74,553.03 - Step 4: Simplify right side
125,574.93x = 12,913,823,121.83 - Step 5: Solve for x
x = 12,913,823,121.83/125,574.93 - Step 6: Final answer
x = 102,837.59
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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.