Finding the Fourth Proportional to 68,040.09, 102,089.36 and 23,642.63
Calculator
Solution
The fourth proportional to 68,040.09, 102,089.36 and 23,642.63 is: 35,474.09
Step by Step Solution
- Step 1: Write the proportion equation
68,040.09 : 102,089.36 = 23,642.63 : x - Step 2: Convert to fraction form
68,040.09/102,089.36 = 23,642.63/x - Step 3: Cross multiply
68,040.09x = 102,089.36 × 23,642.63 - Step 4: Simplify right side
68,040.09x = 2,413,660,336.76 - Step 5: Solve for x
x = 2,413,660,336.76/68,040.09 - Step 6: Final answer
x = 35,474.09
Related Problems
Find fourth proportional to 34,020.05, 51,044.68 and 11,821.31
Half scale
Find fourth proportional to 136,080.18, 204,178.71 and 47,285.25
Double scale
Find fourth proportional to 68,041.09, 102,090.86 and 23,643.63
Similar ratio
Find fourth proportional to 102,060.14, 153,134.03 and 35,463.94
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.