Finding the Fourth Proportional to 75,672.68, 104,429.00 and 41,681.28
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Solution
The fourth proportional to 75,672.68, 104,429.00 and 41,681.28 is: 57,520.56
Step by Step Solution
- Step 1: Write the proportion equation
75,672.68 : 104,429.00 = 41,681.28 : x - Step 2: Convert to fraction form
75,672.68/104,429.00 = 41,681.28/x - Step 3: Cross multiply
75,672.68x = 104,429.00 × 41,681.28 - Step 4: Simplify right side
75,672.68x = 4,352,734,650.47 - Step 5: Solve for x
x = 4,352,734,650.47/75,672.68 - Step 6: Final answer
x = 57,520.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.