Finding the Fourth Proportional to 75,477.02, 113,067.90 and 62,169.12
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Solution
The fourth proportional to 75,477.02, 113,067.90 and 62,169.12 is: 93,132.09
Step by Step Solution
- Step 1: Write the proportion equation
75,477.02 : 113,067.90 = 62,169.12 : x - Step 2: Convert to fraction form
75,477.02/113,067.90 = 62,169.12/x - Step 3: Cross multiply
75,477.02x = 113,067.90 × 62,169.12 - Step 4: Simplify right side
75,477.02x = 7,029,331,843.25 - Step 5: Solve for x
x = 7,029,331,843.25/75,477.02 - Step 6: Final answer
x = 93,132.09
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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.