Finding the Fourth Proportional to 74,488.08, 102,793.68 and 40,954.08
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Solution
The fourth proportional to 74,488.08, 102,793.68 and 40,954.08 is: 56,516.70
Step by Step Solution
- Step 1: Write the proportion equation
74,488.08 : 102,793.68 = 40,954.08 : x - Step 2: Convert to fraction form
74,488.08/102,793.68 = 40,954.08/x - Step 3: Cross multiply
74,488.08x = 102,793.68 × 40,954.08 - Step 4: Simplify right side
74,488.08x = 4,209,820,594.21 - Step 5: Solve for x
x = 4,209,820,594.21/74,488.08 - Step 6: Final answer
x = 56,516.70
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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.