Finding the Fourth Proportional to 84,011.72, 126,042.18 and 24,848.96
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Solution
The fourth proportional to 84,011.72, 126,042.18 and 24,848.96 is: 37,280.72
Step by Step Solution
- Step 1: Write the proportion equation
84,011.72 : 126,042.18 = 24,848.96 : x - Step 2: Convert to fraction form
84,011.72/126,042.18 = 24,848.96/x - Step 3: Cross multiply
84,011.72x = 126,042.18 × 24,848.96 - Step 4: Simplify right side
84,011.72x = 3,132,017,089.13 - Step 5: Solve for x
x = 3,132,017,089.13/84,011.72 - Step 6: Final answer
x = 37,280.72
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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.