Finding the Fourth Proportional to 72,365.75, 108,545.26 and 19,775.08
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Solution
The fourth proportional to 72,365.75, 108,545.26 and 19,775.08 is: 29,661.70
Step by Step Solution
- Step 1: Write the proportion equation
72,365.75 : 108,545.26 = 19,775.08 : x - Step 2: Convert to fraction form
72,365.75/108,545.26 = 19,775.08/x - Step 3: Cross multiply
72,365.75x = 108,545.26 × 19,775.08 - Step 4: Simplify right side
72,365.75x = 2,146,491,200.12 - Step 5: Solve for x
x = 2,146,491,200.12/72,365.75 - Step 6: Final answer
x = 29,661.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.