Finding the Fourth Proportional to 96,302.60, 133,029.78 and 87,360.20
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Solution
The fourth proportional to 96,302.60, 133,029.78 and 87,360.20 is: 120,676.99
Step by Step Solution
- Step 1: Write the proportion equation
96,302.60 : 133,029.78 = 87,360.20 : x - Step 2: Convert to fraction form
96,302.60/133,029.78 = 87,360.20/x - Step 3: Cross multiply
96,302.60x = 133,029.78 × 87,360.20 - Step 4: Simplify right side
96,302.60x = 11,621,508,186.76 - Step 5: Solve for x
x = 11,621,508,186.76/96,302.60 - Step 6: Final answer
x = 120,676.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.