Finding the Fourth Proportional to 88,176.24, 121,664.28 and 52,378.32
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Solution
The fourth proportional to 88,176.24, 121,664.28 and 52,378.32 is: 72,270.84
Step by Step Solution
- Step 1: Write the proportion equation
88,176.24 : 121,664.28 = 52,378.32 : x - Step 2: Convert to fraction form
88,176.24/121,664.28 = 52,378.32/x - Step 3: Cross multiply
88,176.24x = 121,664.28 × 52,378.32 - Step 4: Simplify right side
88,176.24x = 6,372,570,590.41 - Step 5: Solve for x
x = 6,372,570,590.41/88,176.24 - Step 6: Final answer
x = 72,270.84
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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.