Finding the Fourth Proportional to 83,412.01, 115,119.66 and 47,593.81
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Solution
The fourth proportional to 83,412.01, 115,119.66 and 47,593.81 is: 65,685.78
Step by Step Solution
- Step 1: Write the proportion equation
83,412.01 : 115,119.66 = 47,593.81 : x - Step 2: Convert to fraction form
83,412.01/115,119.66 = 47,593.81/x - Step 3: Cross multiply
83,412.01x = 115,119.66 × 47,593.81 - Step 4: Simplify right side
83,412.01x = 5,478,983,225.30 - Step 5: Solve for x
x = 5,478,983,225.30/83,412.01 - Step 6: Final answer
x = 65,685.78
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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.