Finding the Fourth Proportional to 72,454.24, 108,712.64 and 39,197.73
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Solution
The fourth proportional to 72,454.24, 108,712.64 and 39,197.73 is: 58,813.52
Step by Step Solution
- Step 1: Write the proportion equation
72,454.24 : 108,712.64 = 39,197.73 : x - Step 2: Convert to fraction form
72,454.24/108,712.64 = 39,197.73/x - Step 3: Cross multiply
72,454.24x = 108,712.64 × 39,197.73 - Step 4: Simplify right side
72,454.24x = 4,261,288,710.31 - Step 5: Solve for x
x = 4,261,288,710.31/72,454.24 - Step 6: Final answer
x = 58,813.52
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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.