Finding the Fourth Proportional to 83,983.02, 115,913.60 and 48,197.62
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Solution
The fourth proportional to 83,983.02, 115,913.60 and 48,197.62 is: 66,522.49
Step by Step Solution
- Step 1: Write the proportion equation
83,983.02 : 115,913.60 = 48,197.62 : x - Step 2: Convert to fraction form
83,983.02/115,913.60 = 48,197.62/x - Step 3: Cross multiply
83,983.02x = 115,913.60 × 48,197.62 - Step 4: Simplify right side
83,983.02x = 5,586,759,645.63 - Step 5: Solve for x
x = 5,586,759,645.63/83,983.02 - Step 6: Final answer
x = 66,522.49
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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.