Finding the Fourth Proportional to 86,818.35, 130,135.26 and 41,811.65
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Solution
The fourth proportional to 86,818.35, 130,135.26 and 41,811.65 is: 62,673.03
Step by Step Solution
- Step 1: Write the proportion equation
86,818.35 : 130,135.26 = 41,811.65 : x - Step 2: Convert to fraction form
86,818.35/130,135.26 = 41,811.65/x - Step 3: Cross multiply
86,818.35x = 130,135.26 × 41,811.65 - Step 4: Simplify right side
86,818.35x = 5,441,169,293.10 - Step 5: Solve for x
x = 5,441,169,293.10/86,818.35 - Step 6: Final answer
x = 62,673.03
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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.