Finding the Fourth Proportional to 73,780.92, 110,587.80 and 64,879.08
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Solution
The fourth proportional to 73,780.92, 110,587.80 and 64,879.08 is: 97,245.12
Step by Step Solution
- Step 1: Write the proportion equation
73,780.92 : 110,587.80 = 64,879.08 : x - Step 2: Convert to fraction form
73,780.92/110,587.80 = 64,879.08/x - Step 3: Cross multiply
73,780.92x = 110,587.80 × 64,879.08 - Step 4: Simplify right side
73,780.92x = 7,174,834,723.22 - Step 5: Solve for x
x = 7,174,834,723.22/73,780.92 - Step 6: Final answer
x = 97,245.12
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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.