Finding the Fourth Proportional to 73,232.79, 101,061.36 and 39,698.79
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Solution
The fourth proportional to 73,232.79, 101,061.36 and 39,698.79 is: 54,784.39
Step by Step Solution
- Step 1: Write the proportion equation
73,232.79 : 101,061.36 = 39,698.79 : x - Step 2: Convert to fraction form
73,232.79/101,061.36 = 39,698.79/x - Step 3: Cross multiply
73,232.79x = 101,061.36 × 39,698.79 - Step 4: Simplify right side
73,232.79x = 4,012,013,707.75 - Step 5: Solve for x
x = 4,012,013,707.75/73,232.79 - Step 6: Final answer
x = 54,784.39
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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.