Finding the Fourth Proportional to 84,156.06, 116,142.30 and 47,868.87
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Solution
The fourth proportional to 84,156.06, 116,142.30 and 47,868.87 is: 66,062.99
Step by Step Solution
- Step 1: Write the proportion equation
84,156.06 : 116,142.30 = 47,868.87 : x - Step 2: Convert to fraction form
84,156.06/116,142.30 = 47,868.87/x - Step 3: Cross multiply
84,156.06x = 116,142.30 × 47,868.87 - Step 4: Simplify right side
84,156.06x = 5,559,600,660.20 - Step 5: Solve for x
x = 5,559,600,660.20/84,156.06 - Step 6: Final answer
x = 66,062.99
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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.