Finding the Fourth Proportional to 107,065.10, 147,743.40 and 59,314.99
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Solution
The fourth proportional to 107,065.10, 147,743.40 and 59,314.99 is: 81,851.12
Step by Step Solution
- Step 1: Write the proportion equation
107,065.10 : 147,743.40 = 59,314.99 : x - Step 2: Convert to fraction form
107,065.10/147,743.40 = 59,314.99/x - Step 3: Cross multiply
107,065.10x = 147,743.40 × 59,314.99 - Step 4: Simplify right side
107,065.10x = 8,763,398,293.57 - Step 5: Solve for x
x = 8,763,398,293.57/107,065.10 - Step 6: Final answer
x = 81,851.12
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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.