Finding the Fourth Proportional to 83,386.56, 125,092.80 and 27,995.52
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Solution
The fourth proportional to 83,386.56, 125,092.80 and 27,995.52 is: 41,997.63
Step by Step Solution
- Step 1: Write the proportion equation
83,386.56 : 125,092.80 = 27,995.52 : x - Step 2: Convert to fraction form
83,386.56/125,092.80 = 27,995.52/x - Step 3: Cross multiply
83,386.56x = 125,092.80 × 27,995.52 - Step 4: Simplify right side
83,386.56x = 3,502,037,984.26 - Step 5: Solve for x
x = 3,502,037,984.26/83,386.56 - Step 6: Final answer
x = 41,997.63
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1.5x scale
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.