Finding the Fourth Proportional to 96,649.80, 145,266.30 and 83,819.40
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Solution
The fourth proportional to 96,649.80, 145,266.30 and 83,819.40 is: 125,981.99
Step by Step Solution
- Step 1: Write the proportion equation
96,649.80 : 145,266.30 = 83,819.40 : x - Step 2: Convert to fraction form
96,649.80/145,266.30 = 83,819.40/x - Step 3: Cross multiply
96,649.80x = 145,266.30 × 83,819.40 - Step 4: Simplify right side
96,649.80x = 12,176,134,106.22 - Step 5: Solve for x
x = 12,176,134,106.22/96,649.80 - Step 6: Final answer
x = 125,981.99
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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.