Finding the Fourth Proportional to 70,690.24, 106,035.36 and 23,975.92
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Solution
The fourth proportional to 70,690.24, 106,035.36 and 23,975.92 is: 35,963.88
Step by Step Solution
- Step 1: Write the proportion equation
70,690.24 : 106,035.36 = 23,975.92 : x - Step 2: Convert to fraction form
70,690.24/106,035.36 = 23,975.92/x - Step 3: Cross multiply
70,690.24x = 106,035.36 × 23,975.92 - Step 4: Simplify right side
70,690.24x = 2,542,295,308.53 - Step 5: Solve for x
x = 2,542,295,308.53/70,690.24 - Step 6: Final answer
x = 35,963.88
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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.