Finding the Fourth Proportional to 86,058.68, 118,760.74 and 47,818.07
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Solution
The fourth proportional to 86,058.68, 118,760.74 and 47,818.07 is: 65,988.80
Step by Step Solution
- Step 1: Write the proportion equation
86,058.68 : 118,760.74 = 47,818.07 : x - Step 2: Convert to fraction form
86,058.68/118,760.74 = 47,818.07/x - Step 3: Cross multiply
86,058.68x = 118,760.74 × 47,818.07 - Step 4: Simplify right side
86,058.68x = 5,678,908,665.22 - Step 5: Solve for x
x = 5,678,908,665.22/86,058.68 - Step 6: Final answer
x = 65,988.80
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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.