Finding the Fourth Proportional to 87,865.76, 121,241.04 and 52,050.08
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Solution
The fourth proportional to 87,865.76, 121,241.04 and 52,050.08 is: 71,820.99
Step by Step Solution
- Step 1: Write the proportion equation
87,865.76 : 121,241.04 = 52,050.08 : x - Step 2: Convert to fraction form
87,865.76/121,241.04 = 52,050.08/x - Step 3: Cross multiply
87,865.76x = 121,241.04 × 52,050.08 - Step 4: Simplify right side
87,865.76x = 6,310,605,831.28 - Step 5: Solve for x
x = 6,310,605,831.28/87,865.76 - Step 6: Final answer
x = 71,820.99
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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.