Finding the Fourth Proportional to 110,702.76, 166,041.84 and 39,622.53
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Solution
The fourth proportional to 110,702.76, 166,041.84 and 39,622.53 is: 59,429.39
Step by Step Solution
- Step 1: Write the proportion equation
110,702.76 : 166,041.84 = 39,622.53 : x - Step 2: Convert to fraction form
110,702.76/166,041.84 = 39,622.53/x - Step 3: Cross multiply
110,702.76x = 166,041.84 × 39,622.53 - Step 4: Simplify right side
110,702.76x = 6,578,997,786.66 - Step 5: Solve for x
x = 6,578,997,786.66/110,702.76 - Step 6: Final answer
x = 59,429.39
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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.