Finding the Fourth Proportional to 98,794.47, 136,336.73 and 53,473.05
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Solution
The fourth proportional to 98,794.47, 136,336.73 and 53,473.05 is: 73,793.00
Step by Step Solution
- Step 1: Write the proportion equation
98,794.47 : 136,336.73 = 53,473.05 : x - Step 2: Convert to fraction form
98,794.47/136,336.73 = 53,473.05/x - Step 3: Cross multiply
98,794.47x = 136,336.73 × 53,473.05 - Step 4: Simplify right side
98,794.47x = 7,290,340,780.13 - Step 5: Solve for x
x = 7,290,340,780.13/98,794.47 - Step 6: Final answer
x = 73,793.00
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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.