Finding the Fourth Proportional to 83,735.91, 125,710.47 and 54,277.02
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Solution
The fourth proportional to 83,735.91, 125,710.47 and 54,277.02 is: 81,484.63
Step by Step Solution
- Step 1: Write the proportion equation
83,735.91 : 125,710.47 = 54,277.02 : x - Step 2: Convert to fraction form
83,735.91/125,710.47 = 54,277.02/x - Step 3: Cross multiply
83,735.91x = 125,710.47 × 54,277.02 - Step 4: Simplify right side
83,735.91x = 6,823,189,694.40 - Step 5: Solve for x
x = 6,823,189,694.40/83,735.91 - Step 6: Final answer
x = 81,484.63
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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.