Finding the Fourth Proportional to 101,660.18, 140,287.23 and 56,336.99
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Solution
The fourth proportional to 101,660.18, 140,287.23 and 56,336.99 is: 77,742.93
Step by Step Solution
- Step 1: Write the proportion equation
101,660.18 : 140,287.23 = 56,336.99 : x - Step 2: Convert to fraction form
101,660.18/140,287.23 = 56,336.99/x - Step 3: Cross multiply
101,660.18x = 140,287.23 × 56,336.99 - Step 4: Simplify right side
101,660.18x = 7,903,360,273.64 - Step 5: Solve for x
x = 7,903,360,273.64/101,660.18 - Step 6: Final answer
x = 77,742.93
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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.