Finding the Fourth Proportional to 75,566.18, 113,799.14 and 65,823.14
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Solution
The fourth proportional to 75,566.18, 113,799.14 and 65,823.14 is: 99,126.58
Step by Step Solution
- Step 1: Write the proportion equation
75,566.18 : 113,799.14 = 65,823.14 : x - Step 2: Convert to fraction form
75,566.18/113,799.14 = 65,823.14/x - Step 3: Cross multiply
75,566.18x = 113,799.14 × 65,823.14 - Step 4: Simplify right side
75,566.18x = 7,490,616,724.10 - Step 5: Solve for x
x = 7,490,616,724.10/75,566.18 - Step 6: Final answer
x = 99,126.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.