Finding the Fourth Proportional to 95,688.24, 132,047.70 and 55,403.76
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Solution
The fourth proportional to 95,688.24, 132,047.70 and 55,403.76 is: 76,455.99
Step by Step Solution
- Step 1: Write the proportion equation
95,688.24 : 132,047.70 = 55,403.76 : x - Step 2: Convert to fraction form
95,688.24/132,047.70 = 55,403.76/x - Step 3: Cross multiply
95,688.24x = 132,047.70 × 55,403.76 - Step 4: Simplify right side
95,688.24x = 7,315,939,079.35 - Step 5: Solve for x
x = 7,315,939,079.35/95,688.24 - Step 6: Final answer
x = 76,455.99
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1.5x scale
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.