Finding the Fourth Proportional to 87,032.38, 130,549.73 and 27,868.05
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Solution
The fourth proportional to 87,032.38, 130,549.73 and 27,868.05 is: 41,802.45
Step by Step Solution
- Step 1: Write the proportion equation
87,032.38 : 130,549.73 = 27,868.05 : x - Step 2: Convert to fraction form
87,032.38/130,549.73 = 27,868.05/x - Step 3: Cross multiply
87,032.38x = 130,549.73 × 27,868.05 - Step 4: Simplify right side
87,032.38x = 3,638,166,403.13 - Step 5: Solve for x
x = 3,638,166,403.13/87,032.38 - Step 6: Final answer
x = 41,802.45
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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.