Finding the Fourth Proportional to 84,077.46, 126,149.01 and 48,519.99
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Solution
The fourth proportional to 84,077.46, 126,149.01 and 48,519.99 is: 72,798.92
Step by Step Solution
- Step 1: Write the proportion equation
84,077.46 : 126,149.01 = 48,519.99 : x - Step 2: Convert to fraction form
84,077.46/126,149.01 = 48,519.99/x - Step 3: Cross multiply
84,077.46x = 126,149.01 × 48,519.99 - Step 4: Simplify right side
84,077.46x = 6,120,748,703.71 - Step 5: Solve for x
x = 6,120,748,703.71/84,077.46 - Step 6: Final answer
x = 72,798.92
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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.