Finding the Fourth Proportional to 99,130.66, 136,800.41 and 53,808.63
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Solution
The fourth proportional to 99,130.66, 136,800.41 and 53,808.63 is: 74,255.96
Step by Step Solution
- Step 1: Write the proportion equation
99,130.66 : 136,800.41 = 53,808.63 : x - Step 2: Convert to fraction form
99,130.66/136,800.41 = 53,808.63/x - Step 3: Cross multiply
99,130.66x = 136,800.41 × 53,808.63 - Step 4: Simplify right side
99,130.66x = 7,361,042,645.54 - Step 5: Solve for x
x = 7,361,042,645.54/99,130.66 - Step 6: Final answer
x = 74,255.96
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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.