Finding the Fourth Proportional to 67,135.02, 100,702.53 and 31,968.06
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Solution
The fourth proportional to 67,135.02, 100,702.53 and 31,968.06 is: 47,952.09
Step by Step Solution
- Step 1: Write the proportion equation
67,135.02 : 100,702.53 = 31,968.06 : x - Step 2: Convert to fraction form
67,135.02/100,702.53 = 31,968.06/x - Step 3: Cross multiply
67,135.02x = 100,702.53 × 31,968.06 - Step 4: Simplify right side
67,135.02x = 3,219,264,521.19 - Step 5: Solve for x
x = 3,219,264,521.19/67,135.02 - Step 6: Final answer
x = 47,952.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.