Finding the Fourth Proportional to 75,772.38, 113,691.34 and 40,671.02
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Solution
The fourth proportional to 75,772.38, 113,691.34 and 40,671.02 is: 61,024.12
Step by Step Solution
- Step 1: Write the proportion equation
75,772.38 : 113,691.34 = 40,671.02 : x - Step 2: Convert to fraction form
75,772.38/113,691.34 = 40,671.02/x - Step 3: Cross multiply
75,772.38x = 113,691.34 × 40,671.02 - Step 4: Simplify right side
75,772.38x = 4,623,942,762.97 - Step 5: Solve for x
x = 4,623,942,762.97/75,772.38 - Step 6: Final answer
x = 61,024.12
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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.