Finding the Fourth Proportional to 107,064.10, 147,742.03 and 59,313.99
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Solution
The fourth proportional to 107,064.10, 147,742.03 and 59,313.99 is: 81,849.75
Step by Step Solution
- Step 1: Write the proportion equation
107,064.10 : 147,742.03 = 59,313.99 : x - Step 2: Convert to fraction form
107,064.10/147,742.03 = 59,313.99/x - Step 3: Cross multiply
107,064.10x = 147,742.03 × 59,313.99 - Step 4: Simplify right side
107,064.10x = 8,763,168,993.43 - Step 5: Solve for x
x = 8,763,168,993.43/107,064.10 - Step 6: Final answer
x = 81,849.75
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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.