Finding the Fourth Proportional to 60.13, 83.06 and 52.84
Calculator
Solution
The fourth proportional to 60.13, 83.06 and 52.84 is: 72.99
Step by Step Solution
- Step 1: Write the proportion equation
60.13 : 83.06 = 52.84 : x - Step 2: Convert to fraction form
60.13/83.06 = 52.84/x - Step 3: Cross multiply
60.13x = 83.06 × 52.84 - Step 4: Simplify right side
60.13x = 4,388.89 - Step 5: Solve for x
x = 4,388.89/60.13 - Step 6: Final answer
x = 72.99
Related Problems
Find fourth proportional to 30.07, 41.53 and 26.42
Half scale
Find fourth proportional to 120.26, 166.12 and 105.68
Double scale
Find fourth proportional to 61.13, 84.44 and 53.84
Similar ratio
Find fourth proportional to 90.20, 124.59 and 79.26
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.