Finding the Fourth Proportional to 96,012.21, 132,475.64 and 55,702.62
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Solution
The fourth proportional to 96,012.21, 132,475.64 and 55,702.62 is: 76,857.31
Step by Step Solution
- Step 1: Write the proportion equation
96,012.21 : 132,475.64 = 55,702.62 : x - Step 2: Convert to fraction form
96,012.21/132,475.64 = 55,702.62/x - Step 3: Cross multiply
96,012.21x = 132,475.64 × 55,702.62 - Step 4: Simplify right side
96,012.21x = 7,379,239,955.66 - Step 5: Solve for x
x = 7,379,239,955.66/96,012.21 - Step 6: Final answer
x = 76,857.31
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1.5x scale
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.