Finding the Fourth Proportional to 74,589.06, 102,932.92 and 41,055.06
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Solution
The fourth proportional to 74,589.06, 102,932.92 and 41,055.06 is: 56,655.99
Step by Step Solution
- Step 1: Write the proportion equation
74,589.06 : 102,932.92 = 41,055.06 : x - Step 2: Convert to fraction form
74,589.06/102,932.92 = 41,055.06/x - Step 3: Cross multiply
74,589.06x = 102,932.92 × 41,055.06 - Step 4: Simplify right side
74,589.06x = 4,225,917,206.58 - Step 5: Solve for x
x = 4,225,917,206.58/74,589.06 - Step 6: Final answer
x = 56,655.99
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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.