Finding the Fourth Proportional to 83,844.99, 115,714.58 and 48,039.75
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Solution
The fourth proportional to 83,844.99, 115,714.58 and 48,039.75 is: 66,299.72
Step by Step Solution
- Step 1: Write the proportion equation
83,844.99 : 115,714.58 = 48,039.75 : x - Step 2: Convert to fraction form
83,844.99/115,714.58 = 48,039.75/x - Step 3: Cross multiply
83,844.99x = 115,714.58 × 48,039.75 - Step 4: Simplify right side
83,844.99x = 5,558,899,254.36 - Step 5: Solve for x
x = 5,558,899,254.36/83,844.99 - Step 6: Final answer
x = 66,299.72
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1.5x scale
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.