Finding the Fourth Proportional to 95,580.64, 131,885.76 and 53,138.08
Calculator
Solution
The fourth proportional to 95,580.64, 131,885.76 and 53,138.08 is: 73,321.92
Step by Step Solution
- Step 1: Write the proportion equation
95,580.64 : 131,885.76 = 53,138.08 : x - Step 2: Convert to fraction form
95,580.64/131,885.76 = 53,138.08/x - Step 3: Cross multiply
95,580.64x = 131,885.76 × 53,138.08 - Step 4: Simplify right side
95,580.64x = 7,008,156,065.74 - Step 5: Solve for x
x = 7,008,156,065.74/95,580.64 - Step 6: Final answer
x = 73,321.92
Related Problems
Find fourth proportional to 47,790.32, 65,942.88 and 26,569.04
Half scale
Find fourth proportional to 191,161.28, 263,771.52 and 106,276.16
Double scale
Find fourth proportional to 95,581.64, 131,887.14 and 53,139.08
Similar ratio
Find fourth proportional to 143,370.96, 197,828.64 and 79,707.12
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.