Finding the Fourth Proportional to 86,896.67, 119,927.48 and 52,925.09
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Solution
The fourth proportional to 86,896.67, 119,927.48 and 52,925.09 is: 73,042.75
Step by Step Solution
- Step 1: Write the proportion equation
86,896.67 : 119,927.48 = 52,925.09 : x - Step 2: Convert to fraction form
86,896.67/119,927.48 = 52,925.09/x - Step 3: Cross multiply
86,896.67x = 119,927.48 × 52,925.09 - Step 4: Simplify right side
86,896.67x = 6,347,171,808.21 - Step 5: Solve for x
x = 6,347,171,808.21/86,896.67 - Step 6: Final answer
x = 73,042.75
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1.5x scale
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.