Finding the Fourth Proportional to 85,349.08, 127,981.50 and 26,170.48
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Solution
The fourth proportional to 85,349.08, 127,981.50 and 26,170.48 is: 39,242.80
Step by Step Solution
- Step 1: Write the proportion equation
85,349.08 : 127,981.50 = 26,170.48 : x - Step 2: Convert to fraction form
85,349.08/127,981.50 = 26,170.48/x - Step 3: Cross multiply
85,349.08x = 127,981.50 × 26,170.48 - Step 4: Simplify right side
85,349.08x = 3,349,337,286.12 - Step 5: Solve for x
x = 3,349,337,286.12/85,349.08 - Step 6: Final answer
x = 39,242.80
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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.