Finding the Fourth Proportional to 94,190.31, 129,982.99 and 53,904.74
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Solution
The fourth proportional to 94,190.31, 129,982.99 and 53,904.74 is: 74,388.75
Step by Step Solution
- Step 1: Write the proportion equation
94,190.31 : 129,982.99 = 53,904.74 : x - Step 2: Convert to fraction form
94,190.31/129,982.99 = 53,904.74/x - Step 3: Cross multiply
94,190.31x = 129,982.99 × 53,904.74 - Step 4: Simplify right side
94,190.31x = 7,006,699,280.37 - Step 5: Solve for x
x = 7,006,699,280.37/94,190.31 - Step 6: Final answer
x = 74,388.75
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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.