Finding the Fourth Proportional to 99,110.24, 148,626.48 and 39,934.88
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Solution
The fourth proportional to 99,110.24, 148,626.48 and 39,934.88 is: 59,886.65
Step by Step Solution
- Step 1: Write the proportion equation
99,110.24 : 148,626.48 = 39,934.88 : x - Step 2: Convert to fraction form
99,110.24/148,626.48 = 39,934.88/x - Step 3: Cross multiply
99,110.24x = 148,626.48 × 39,934.88 - Step 4: Simplify right side
99,110.24x = 5,935,380,643.62 - Step 5: Solve for x
x = 5,935,380,643.62/99,110.24 - Step 6: Final answer
x = 59,886.65
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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.