Finding the Fourth Proportional to 75,521.97, 104,216.32 and 43,691.40
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Solution
The fourth proportional to 75,521.97, 104,216.32 and 43,691.40 is: 60,291.82
Step by Step Solution
- Step 1: Write the proportion equation
75,521.97 : 104,216.32 = 43,691.40 : x - Step 2: Convert to fraction form
75,521.97/104,216.32 = 43,691.40/x - Step 3: Cross multiply
75,521.97x = 104,216.32 × 43,691.40 - Step 4: Simplify right side
75,521.97x = 4,553,356,978.26 - Step 5: Solve for x
x = 4,553,356,978.26/75,521.97 - Step 6: Final answer
x = 60,291.82
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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.