Finding the Fourth Proportional to 91,029.24, 136,575.90 and 46,676.88
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Solution
The fourth proportional to 91,029.24, 136,575.90 and 46,676.88 is: 70,031.75
Step by Step Solution
- Step 1: Write the proportion equation
91,029.24 : 136,575.90 = 46,676.88 : x - Step 2: Convert to fraction form
91,029.24/136,575.90 = 46,676.88/x - Step 3: Cross multiply
91,029.24x = 136,575.90 × 46,676.88 - Step 4: Simplify right side
91,029.24x = 6,374,936,895.19 - Step 5: Solve for x
x = 6,374,936,895.19/91,029.24 - Step 6: Final answer
x = 70,031.75
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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.