Finding the Fourth Proportional to 97,894.76, 134,975.46 and 82,761.32
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Solution
The fourth proportional to 97,894.76, 134,975.46 and 82,761.32 is: 114,109.76
Step by Step Solution
- Step 1: Write the proportion equation
97,894.76 : 134,975.46 = 82,761.32 : x - Step 2: Convert to fraction form
97,894.76/134,975.46 = 82,761.32/x - Step 3: Cross multiply
97,894.76x = 134,975.46 × 82,761.32 - Step 4: Simplify right side
97,894.76x = 11,170,747,237.21 - Step 5: Solve for x
x = 11,170,747,237.21/97,894.76 - Step 6: Final answer
x = 114,109.76
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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.