Finding the Fourth Proportional to 97,336.56, 134,202.75 and 81,227.08
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Solution
The fourth proportional to 97,336.56, 134,202.75 and 81,227.08 is: 111,991.81
Step by Step Solution
- Step 1: Write the proportion equation
97,336.56 : 134,202.75 = 81,227.08 : x - Step 2: Convert to fraction form
97,336.56/134,202.75 = 81,227.08/x - Step 3: Cross multiply
97,336.56x = 134,202.75 × 81,227.08 - Step 4: Simplify right side
97,336.56x = 10,900,897,510.47 - Step 5: Solve for x
x = 10,900,897,510.47/97,336.56 - Step 6: Final answer
x = 111,991.81
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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.