Finding the Fourth Proportional to 86,030.97, 118,718.88 and 47,793.18
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Solution
The fourth proportional to 86,030.97, 118,718.88 and 47,793.18 is: 65,952.44
Step by Step Solution
- Step 1: Write the proportion equation
86,030.97 : 118,718.88 = 47,793.18 : x - Step 2: Convert to fraction form
86,030.97/118,718.88 = 47,793.18/x - Step 3: Cross multiply
86,030.97x = 118,718.88 × 47,793.18 - Step 4: Simplify right side
86,030.97x = 5,673,952,801.24 - Step 5: Solve for x
x = 5,673,952,801.24/86,030.97 - Step 6: Final answer
x = 65,952.44
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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.