Finding the Fourth Proportional to 74,244.75, 102,462.65 and 40,710.75
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Solution
The fourth proportional to 74,244.75, 102,462.65 and 40,710.75 is: 56,183.52
Step by Step Solution
- Step 1: Write the proportion equation
74,244.75 : 102,462.65 = 40,710.75 : x - Step 2: Convert to fraction form
74,244.75/102,462.65 = 40,710.75/x - Step 3: Cross multiply
74,244.75x = 102,462.65 × 40,710.75 - Step 4: Simplify right side
74,244.75x = 4,171,331,124.93 - Step 5: Solve for x
x = 4,171,331,124.93/74,244.75 - Step 6: Final answer
x = 56,183.52
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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.