Finding the Fourth Proportional to 83,106.98, 115,461.84 and 82,110.53
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Solution
The fourth proportional to 83,106.98, 115,461.84 and 82,110.53 is: 114,077.46
Step by Step Solution
- Step 1: Write the proportion equation
83,106.98 : 115,461.84 = 82,110.53 : x - Step 2: Convert to fraction form
83,106.98/115,461.84 = 82,110.53/x - Step 3: Cross multiply
83,106.98x = 115,461.84 × 82,110.53 - Step 4: Simplify right side
83,106.98x = 9,480,632,299.87 - Step 5: Solve for x
x = 9,480,632,299.87/83,106.98 - Step 6: Final answer
x = 114,077.46
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.