Finding the Fourth Proportional to 85,170.80, 127,660.68 and 34,558.08
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Solution
The fourth proportional to 85,170.80, 127,660.68 and 34,558.08 is: 51,798.37
Step by Step Solution
- Step 1: Write the proportion equation
85,170.80 : 127,660.68 = 34,558.08 : x - Step 2: Convert to fraction form
85,170.80/127,660.68 = 34,558.08/x - Step 3: Cross multiply
85,170.80x = 127,660.68 × 34,558.08 - Step 4: Simplify right side
85,170.80x = 4,411,707,992.29 - Step 5: Solve for x
x = 4,411,707,992.29/85,170.80 - Step 6: Final answer
x = 51,798.37
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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.