Finding the Fourth Proportional to 75,197.91, 103,773.10 and 43,366.80
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Solution
The fourth proportional to 75,197.91, 103,773.10 and 43,366.80 is: 59,846.17
Step by Step Solution
- Step 1: Write the proportion equation
75,197.91 : 103,773.10 = 43,366.80 : x - Step 2: Convert to fraction form
75,197.91/103,773.10 = 43,366.80/x - Step 3: Cross multiply
75,197.91x = 103,773.10 × 43,366.80 - Step 4: Simplify right side
75,197.91x = 4,500,307,273.08 - Step 5: Solve for x
x = 4,500,307,273.08/75,197.91 - Step 6: Final answer
x = 59,846.17
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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.