Finding the Fourth Proportional to 75,816.36, 113,823.09 and 58,298.49
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Solution
The fourth proportional to 75,816.36, 113,823.09 and 58,298.49 is: 87,523.51
Step by Step Solution
- Step 1: Write the proportion equation
75,816.36 : 113,823.09 = 58,298.49 : x - Step 2: Convert to fraction form
75,816.36/113,823.09 = 58,298.49/x - Step 3: Cross multiply
75,816.36x = 113,823.09 × 58,298.49 - Step 4: Simplify right side
75,816.36x = 6,635,714,274.13 - Step 5: Solve for x
x = 6,635,714,274.13/75,816.36 - Step 6: Final answer
x = 87,523.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.