Finding the Fourth Proportional to 73,928.79, 101,986.17 and 48,424.14
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Solution
The fourth proportional to 73,928.79, 101,986.17 and 48,424.14 is: 66,802.02
Step by Step Solution
- Step 1: Write the proportion equation
73,928.79 : 101,986.17 = 48,424.14 : x - Step 2: Convert to fraction form
73,928.79/101,986.17 = 48,424.14/x - Step 3: Cross multiply
73,928.79x = 101,986.17 × 48,424.14 - Step 4: Simplify right side
73,928.79x = 4,938,592,574.14 - Step 5: Solve for x
x = 4,938,592,574.14/73,928.79 - Step 6: Final answer
x = 66,802.02
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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.