Finding the Fourth Proportional to 86,149.08, 129,223.67 and 32,828.63
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Solution
The fourth proportional to 86,149.08, 129,223.67 and 32,828.63 is: 49,242.95
Step by Step Solution
- Step 1: Write the proportion equation
86,149.08 : 129,223.67 = 32,828.63 : x - Step 2: Convert to fraction form
86,149.08/129,223.67 = 32,828.63/x - Step 3: Cross multiply
86,149.08x = 129,223.67 × 32,828.63 - Step 4: Simplify right side
86,149.08x = 4,242,235,239.41 - Step 5: Solve for x
x = 4,242,235,239.41/86,149.08 - Step 6: Final answer
x = 49,242.95
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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.