Finding the Fourth Proportional to 75,938.56, 104,844.48 and 67,966.96
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Solution
The fourth proportional to 75,938.56, 104,844.48 and 67,966.96 is: 93,838.50
Step by Step Solution
- Step 1: Write the proportion equation
75,938.56 : 104,844.48 = 67,966.96 : x - Step 2: Convert to fraction form
75,938.56/104,844.48 = 67,966.96/x - Step 3: Cross multiply
75,938.56x = 104,844.48 × 67,966.96 - Step 4: Simplify right side
75,938.56x = 7,125,960,578.38 - Step 5: Solve for x
x = 7,125,960,578.38/75,938.56 - Step 6: Final answer
x = 93,838.50
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1.5x scale
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.