Finding the Fourth Proportional to 75,202.88, 103,779.97 and 44,989.47
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Solution
The fourth proportional to 75,202.88, 103,779.97 and 44,989.47 is: 62,085.47
Step by Step Solution
- Step 1: Write the proportion equation
75,202.88 : 103,779.97 = 44,989.47 : x - Step 2: Convert to fraction form
75,202.88/103,779.97 = 44,989.47/x - Step 3: Cross multiply
75,202.88x = 103,779.97 × 44,989.47 - Step 4: Simplify right side
75,202.88x = 4,669,005,846.92 - Step 5: Solve for x
x = 4,669,005,846.92/75,202.88 - Step 6: Final answer
x = 62,085.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.