Finding the Fourth Proportional to 77,276.30, 115,884.68 and 27,347.09
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Solution
The fourth proportional to 77,276.30, 115,884.68 and 27,347.09 is: 41,010.10
Step by Step Solution
- Step 1: Write the proportion equation
77,276.30 : 115,884.68 = 27,347.09 : x - Step 2: Convert to fraction form
77,276.30/115,884.68 = 27,347.09/x - Step 3: Cross multiply
77,276.30x = 115,884.68 × 27,347.09 - Step 4: Simplify right side
77,276.30x = 3,169,108,773.58 - Step 5: Solve for x
x = 3,169,108,773.58/77,276.30 - Step 6: Final answer
x = 41,010.10
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1.5x scale
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.