Finding the Fourth Proportional to 79,822.29, 110,159.67 and 44,012.19
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Solution
The fourth proportional to 79,822.29, 110,159.67 and 44,012.19 is: 60,739.53
Step by Step Solution
- Step 1: Write the proportion equation
79,822.29 : 110,159.67 = 44,012.19 : x - Step 2: Convert to fraction form
79,822.29/110,159.67 = 44,012.19/x - Step 3: Cross multiply
79,822.29x = 110,159.67 × 44,012.19 - Step 4: Simplify right side
79,822.29x = 4,848,368,326.38 - Step 5: Solve for x
x = 4,848,368,326.38/79,822.29 - Step 6: Final answer
x = 60,739.53
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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.