Finding the Fourth Proportional to 73,725.63, 110,588.45 and 18,321.63
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Solution
The fourth proportional to 73,725.63, 110,588.45 and 18,321.63 is: 27,482.45
Step by Step Solution
- Step 1: Write the proportion equation
73,725.63 : 110,588.45 = 18,321.63 : x - Step 2: Convert to fraction form
73,725.63/110,588.45 = 18,321.63/x - Step 3: Cross multiply
73,725.63x = 110,588.45 × 18,321.63 - Step 4: Simplify right side
73,725.63x = 2,026,160,663.17 - Step 5: Solve for x
x = 2,026,160,663.17/73,725.63 - Step 6: Final answer
x = 27,482.45
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Double scale
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Similar ratio
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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.