Finding the Fourth Proportional to 80,580.19, 120,755.68 and 59,353.31
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Solution
The fourth proportional to 80,580.19, 120,755.68 and 59,353.31 is: 88,945.55
Step by Step Solution
- Step 1: Write the proportion equation
80,580.19 : 120,755.68 = 59,353.31 : x - Step 2: Convert to fraction form
80,580.19/120,755.68 = 59,353.31/x - Step 3: Cross multiply
80,580.19x = 120,755.68 × 59,353.31 - Step 4: Simplify right side
80,580.19x = 7,167,249,309.30 - Step 5: Solve for x
x = 7,167,249,309.30/80,580.19 - Step 6: Final answer
x = 88,945.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.