Finding the Fourth Proportional to 92,173.14, 138,333.54 and 42,276.75
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Solution
The fourth proportional to 92,173.14, 138,333.54 and 42,276.75 is: 63,448.99
Step by Step Solution
- Step 1: Write the proportion equation
92,173.14 : 138,333.54 = 42,276.75 : x - Step 2: Convert to fraction form
92,173.14/138,333.54 = 42,276.75/x - Step 3: Cross multiply
92,173.14x = 138,333.54 × 42,276.75 - Step 4: Simplify right side
92,173.14x = 5,848,292,487.20 - Step 5: Solve for x
x = 5,848,292,487.20/92,173.14 - Step 6: Final answer
x = 63,448.99
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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.