Finding the Fourth Proportional to 74,055.75, 102,197.00 and 40,521.75
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Solution
The fourth proportional to 74,055.75, 102,197.00 and 40,521.75 is: 55,920.05
Step by Step Solution
- Step 1: Write the proportion equation
74,055.75 : 102,197.00 = 40,521.75 : x - Step 2: Convert to fraction form
74,055.75/102,197.00 = 40,521.75/x - Step 3: Cross multiply
74,055.75x = 102,197.00 × 40,521.75 - Step 4: Simplify right side
74,055.75x = 4,141,201,386.05 - Step 5: Solve for x
x = 4,141,201,386.05/74,055.75 - Step 6: Final answer
x = 55,920.05
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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.