Finding the Fourth Proportional to 74,567.51, 102,903.36 and 40,575.99
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Solution
The fourth proportional to 74,567.51, 102,903.36 and 40,575.99 is: 55,994.97
Step by Step Solution
- Step 1: Write the proportion equation
74,567.51 : 102,903.36 = 40,575.99 : x - Step 2: Convert to fraction form
74,567.51/102,903.36 = 40,575.99/x - Step 3: Cross multiply
74,567.51x = 102,903.36 × 40,575.99 - Step 4: Simplify right side
74,567.51x = 4,175,405,589.46 - Step 5: Solve for x
x = 4,175,405,589.46/74,567.51 - Step 6: Final answer
x = 55,994.97
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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.