Finding the Fourth Proportional to 73,409.07, 101,304.62 and 39,875.07
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Solution
The fourth proportional to 73,409.07, 101,304.62 and 39,875.07 is: 55,027.65
Step by Step Solution
- Step 1: Write the proportion equation
73,409.07 : 101,304.62 = 39,875.07 : x - Step 2: Convert to fraction form
73,409.07/101,304.62 = 39,875.07/x - Step 3: Cross multiply
73,409.07x = 101,304.62 × 39,875.07 - Step 4: Simplify right side
73,409.07x = 4,039,528,813.82 - Step 5: Solve for x
x = 4,039,528,813.82/73,409.07 - Step 6: Final answer
x = 55,027.65
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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.