Finding the Fourth Proportional to 99,184.10, 136,886.56 and 61,464.02
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Solution
The fourth proportional to 99,184.10, 136,886.56 and 61,464.02 is: 84,828.09
Step by Step Solution
- Step 1: Write the proportion equation
99,184.10 : 136,886.56 = 61,464.02 : x - Step 2: Convert to fraction form
99,184.10/136,886.56 = 61,464.02/x - Step 3: Cross multiply
99,184.10x = 136,886.56 × 61,464.02 - Step 4: Simplify right side
99,184.10x = 8,413,597,423.48 - Step 5: Solve for x
x = 8,413,597,423.48/99,184.10 - Step 6: Final answer
x = 84,828.09
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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.