Finding the Fourth Proportional to 75,559.68, 113,297.44 and 31,216.48
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Solution
The fourth proportional to 75,559.68, 113,297.44 and 31,216.48 is: 46,807.34
Step by Step Solution
- Step 1: Write the proportion equation
75,559.68 : 113,297.44 = 31,216.48 : x - Step 2: Convert to fraction form
75,559.68/113,297.44 = 31,216.48/x - Step 3: Cross multiply
75,559.68x = 113,297.44 × 31,216.48 - Step 4: Simplify right side
75,559.68x = 3,536,747,269.81 - Step 5: Solve for x
x = 3,536,747,269.81/75,559.68 - Step 6: Final answer
x = 46,807.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.