Finding the Fourth Proportional to 92,576.32, 138,864.47 and 32,590.67
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Solution
The fourth proportional to 92,576.32, 138,864.47 and 32,590.67 is: 48,885.99
Step by Step Solution
- Step 1: Write the proportion equation
92,576.32 : 138,864.47 = 32,590.67 : x - Step 2: Convert to fraction form
92,576.32/138,864.47 = 32,590.67/x - Step 3: Cross multiply
92,576.32x = 138,864.47 × 32,590.67 - Step 4: Simplify right side
92,576.32x = 4,525,685,259.22 - Step 5: Solve for x
x = 4,525,685,259.22/92,576.32 - Step 6: Final answer
x = 48,885.99
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1.5x scale
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.