Finding the Fourth Proportional to 98,617.92, 136,095.84 and 56,175.54
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Solution
The fourth proportional to 98,617.92, 136,095.84 and 56,175.54 is: 77,524.02
Step by Step Solution
- Step 1: Write the proportion equation
98,617.92 : 136,095.84 = 56,175.54 : x - Step 2: Convert to fraction form
98,617.92/136,095.84 = 56,175.54/x - Step 3: Cross multiply
98,617.92x = 136,095.84 × 56,175.54 - Step 4: Simplify right side
98,617.92x = 7,645,257,303.75 - Step 5: Solve for x
x = 7,645,257,303.75/98,617.92 - Step 6: Final answer
x = 77,524.02
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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.