Finding the Fourth Proportional to 84,549.47, 116,678.04 and 48,739.28
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Solution
The fourth proportional to 84,549.47, 116,678.04 and 48,739.28 is: 67,260.07
Step by Step Solution
- Step 1: Write the proportion equation
84,549.47 : 116,678.04 = 48,739.28 : x - Step 2: Convert to fraction form
84,549.47/116,678.04 = 48,739.28/x - Step 3: Cross multiply
84,549.47x = 116,678.04 × 48,739.28 - Step 4: Simplify right side
84,549.47x = 5,686,803,661.41 - Step 5: Solve for x
x = 5,686,803,661.41/84,549.47 - Step 6: Final answer
x = 67,260.07
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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.