Finding the Fourth Proportional to 79,908.58, 110,277.44 and 45,928.09
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Solution
The fourth proportional to 79,908.58, 110,277.44 and 45,928.09 is: 63,382.83
Step by Step Solution
- Step 1: Write the proportion equation
79,908.58 : 110,277.44 = 45,928.09 : x - Step 2: Convert to fraction form
79,908.58/110,277.44 = 45,928.09/x - Step 3: Cross multiply
79,908.58x = 110,277.44 × 45,928.09 - Step 4: Simplify right side
79,908.58x = 5,064,832,189.29 - Step 5: Solve for x
x = 5,064,832,189.29/79,908.58 - Step 6: Final answer
x = 63,382.83
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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.