Finding the Fourth Proportional to 83,807.76, 125,715.54 and 27,652.80
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Solution
The fourth proportional to 83,807.76, 125,715.54 and 27,652.80 is: 41,480.49
Step by Step Solution
- Step 1: Write the proportion equation
83,807.76 : 125,715.54 = 27,652.80 : x - Step 2: Convert to fraction form
83,807.76/125,715.54 = 27,652.80/x - Step 3: Cross multiply
83,807.76x = 125,715.54 × 27,652.80 - Step 4: Simplify right side
83,807.76x = 3,476,386,684.51 - Step 5: Solve for x
x = 3,476,386,684.51/83,807.76 - Step 6: Final answer
x = 41,480.49
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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.