Finding the Fourth Proportional to 86,060.99, 118,761.09 and 47,820.08
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Solution
The fourth proportional to 86,060.99, 118,761.09 and 47,820.08 is: 65,990.00
Step by Step Solution
- Step 1: Write the proportion equation
86,060.99 : 118,761.09 = 47,820.08 : x - Step 2: Convert to fraction form
86,060.99/118,761.09 = 47,820.08/x - Step 3: Cross multiply
86,060.99x = 118,761.09 × 47,820.08 - Step 4: Simplify right side
86,060.99x = 5,679,164,230.88 - Step 5: Solve for x
x = 5,679,164,230.88/86,060.99 - Step 6: Final answer
x = 65,990.00
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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.