Finding the Fourth Proportional to 97,863.24, 135,048.92 and 57,579.60
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Solution
The fourth proportional to 97,863.24, 135,048.92 and 57,579.60 is: 79,458.46
Step by Step Solution
- Step 1: Write the proportion equation
97,863.24 : 135,048.92 = 57,579.60 : x - Step 2: Convert to fraction form
97,863.24/135,048.92 = 57,579.60/x - Step 3: Cross multiply
97,863.24x = 135,048.92 × 57,579.60 - Step 4: Simplify right side
97,863.24x = 7,776,062,794.03 - Step 5: Solve for x
x = 7,776,062,794.03/97,863.24 - Step 6: Final answer
x = 79,458.46
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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.