Finding the Fourth Proportional to 85,939.97, 118,598.43 and 47,702.00
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Solution
The fourth proportional to 85,939.97, 118,598.43 and 47,702.00 is: 65,829.46
Step by Step Solution
- Step 1: Write the proportion equation
85,939.97 : 118,598.43 = 47,702.00 : x - Step 2: Convert to fraction form
85,939.97/118,598.43 = 47,702.00/x - Step 3: Cross multiply
85,939.97x = 118,598.43 × 47,702.00 - Step 4: Simplify right side
85,939.97x = 5,657,381,714.87 - Step 5: Solve for x
x = 5,657,381,714.87/85,939.97 - Step 6: Final answer
x = 65,829.46
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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.