Finding the Fourth Proportional to 93,253.36, 139,768.92 and 53,728.56
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Solution
The fourth proportional to 93,253.36, 139,768.92 and 53,728.56 is: 80,528.82
Step by Step Solution
- Step 1: Write the proportion equation
93,253.36 : 139,768.92 = 53,728.56 : x - Step 2: Convert to fraction form
93,253.36/139,768.92 = 53,728.56/x - Step 3: Cross multiply
93,253.36x = 139,768.92 × 53,728.56 - Step 4: Simplify right side
93,253.36x = 7,509,582,804.36 - Step 5: Solve for x
x = 7,509,582,804.36/93,253.36 - Step 6: Final answer
x = 80,528.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.