Finding the Fourth Proportional to 84,407.84, 126,625.84 and 37,658.96
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Solution
The fourth proportional to 84,407.84, 126,625.84 and 37,658.96 is: 56,494.72
Step by Step Solution
- Step 1: Write the proportion equation
84,407.84 : 126,625.84 = 37,658.96 : x - Step 2: Convert to fraction form
84,407.84/126,625.84 = 37,658.96/x - Step 3: Cross multiply
84,407.84x = 126,625.84 × 37,658.96 - Step 4: Simplify right side
84,407.84x = 4,768,597,443.53 - Step 5: Solve for x
x = 4,768,597,443.53/84,407.84 - Step 6: Final answer
x = 56,494.72
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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.