Finding the Fourth Proportional to 83,868.24, 115,736.28 and 48,079.38
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Solution
The fourth proportional to 83,868.24, 115,736.28 and 48,079.38 is: 66,348.46
Step by Step Solution
- Step 1: Write the proportion equation
83,868.24 : 115,736.28 = 48,079.38 : x - Step 2: Convert to fraction form
83,868.24/115,736.28 = 48,079.38/x - Step 3: Cross multiply
83,868.24x = 115,736.28 × 48,079.38 - Step 4: Simplify right side
83,868.24x = 5,564,528,585.91 - Step 5: Solve for x
x = 5,564,528,585.91/83,868.24 - Step 6: Final answer
x = 66,348.46
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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.