Finding the Fourth Proportional to 75,764.37, 113,679.33 and 40,663.02
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Solution
The fourth proportional to 75,764.37, 113,679.33 and 40,663.02 is: 61,012.12
Step by Step Solution
- Step 1: Write the proportion equation
75,764.37 : 113,679.33 = 40,663.02 : x - Step 2: Convert to fraction form
75,764.37/113,679.33 = 40,663.02/x - Step 3: Cross multiply
75,764.37x = 113,679.33 × 40,663.02 - Step 4: Simplify right side
75,764.37x = 4,622,544,869.38 - Step 5: Solve for x
x = 4,622,544,869.38/75,764.37 - Step 6: Final answer
x = 61,012.12
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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.