Finding the Fourth Proportional to 83,855.70, 125,929.35 and 44,489.70
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Solution
The fourth proportional to 83,855.70, 125,929.35 and 44,489.70 is: 66,811.90
Step by Step Solution
- Step 1: Write the proportion equation
83,855.70 : 125,929.35 = 44,489.70 : x - Step 2: Convert to fraction form
83,855.70/125,929.35 = 44,489.70/x - Step 3: Cross multiply
83,855.70x = 125,929.35 × 44,489.70 - Step 4: Simplify right side
83,855.70x = 5,602,559,002.70 - Step 5: Solve for x
x = 5,602,559,002.70/83,855.70 - Step 6: Final answer
x = 66,811.90
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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.