Finding the Fourth Proportional to 106,560.09, 159,840.14 and 36,440.01
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Solution
The fourth proportional to 106,560.09, 159,840.14 and 36,440.01 is: 54,660.02
Step by Step Solution
- Step 1: Write the proportion equation
106,560.09 : 159,840.14 = 36,440.01 : x - Step 2: Convert to fraction form
106,560.09/159,840.14 = 36,440.01/x - Step 3: Cross multiply
106,560.09x = 159,840.14 × 36,440.01 - Step 4: Simplify right side
106,560.09x = 5,824,576,117.80 - Step 5: Solve for x
x = 5,824,576,117.80/106,560.09 - Step 6: Final answer
x = 54,660.02
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1.5x scale
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.