Finding the Fourth Proportional to 86,828.43, 130,245.35 and 29,901.75
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Solution
The fourth proportional to 86,828.43, 130,245.35 and 29,901.75 is: 44,853.55
Step by Step Solution
- Step 1: Write the proportion equation
86,828.43 : 130,245.35 = 29,901.75 : x - Step 2: Convert to fraction form
86,828.43/130,245.35 = 29,901.75/x - Step 3: Cross multiply
86,828.43x = 130,245.35 × 29,901.75 - Step 4: Simplify right side
86,828.43x = 3,894,563,744.85 - Step 5: Solve for x
x = 3,894,563,744.85/86,828.43 - Step 6: Final answer
x = 44,853.55
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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.