Finding the Fourth Proportional to 109,980.99, 151,773.23 and 59,679.99
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Solution
The fourth proportional to 109,980.99, 151,773.23 and 59,679.99 is: 82,358.09
Step by Step Solution
- Step 1: Write the proportion equation
109,980.99 : 151,773.23 = 59,679.99 : x - Step 2: Convert to fraction form
109,980.99/151,773.23 = 59,679.99/x - Step 3: Cross multiply
109,980.99x = 151,773.23 × 59,679.99 - Step 4: Simplify right side
109,980.99x = 9,057,824,550.27 - Step 5: Solve for x
x = 9,057,824,550.27/109,980.99 - Step 6: Final answer
x = 82,358.09
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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.