Finding the Fourth Proportional to 84,374.56, 126,791.76 and 44,959.84
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Solution
The fourth proportional to 84,374.56, 126,791.76 and 44,959.84 is: 67,562.28
Step by Step Solution
- Step 1: Write the proportion equation
84,374.56 : 126,791.76 = 44,959.84 : x - Step 2: Convert to fraction form
84,374.56/126,791.76 = 44,959.84/x - Step 3: Cross multiply
84,374.56x = 126,791.76 × 44,959.84 - Step 4: Simplify right side
84,374.56x = 5,700,537,242.92 - Step 5: Solve for x
x = 5,700,537,242.92/84,374.56 - Step 6: Final answer
x = 67,562.28
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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.