Finding the Fourth Proportional to 86,412.29, 119,256.06 and 47,657.69
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Solution
The fourth proportional to 86,412.29, 119,256.06 and 47,657.69 is: 65,771.53
Step by Step Solution
- Step 1: Write the proportion equation
86,412.29 : 119,256.06 = 47,657.69 : x - Step 2: Convert to fraction form
86,412.29/119,256.06 = 47,657.69/x - Step 3: Cross multiply
86,412.29x = 119,256.06 × 47,657.69 - Step 4: Simplify right side
86,412.29x = 5,683,468,636.24 - Step 5: Solve for x
x = 5,683,468,636.24/86,412.29 - Step 6: Final answer
x = 65,771.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.