Finding the Fourth Proportional to 99,150.59, 136,828.86 and 53,828.99
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Solution
The fourth proportional to 99,150.59, 136,828.86 and 53,828.99 is: 74,284.57
Step by Step Solution
- Step 1: Write the proportion equation
99,150.59 : 136,828.86 = 53,828.99 : x - Step 2: Convert to fraction form
99,150.59/136,828.86 = 53,828.99/x - Step 3: Cross multiply
99,150.59x = 136,828.86 × 53,828.99 - Step 4: Simplify right side
99,150.59x = 7,365,359,336.65 - Step 5: Solve for x
x = 7,365,359,336.65/99,150.59 - Step 6: Final answer
x = 74,284.57
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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.