Finding the Fourth Proportional to 88,774.40, 122,509.34 and 48,487.44
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Solution
The fourth proportional to 88,774.40, 122,509.34 and 48,487.44 is: 66,913.03
Step by Step Solution
- Step 1: Write the proportion equation
88,774.40 : 122,509.34 = 48,487.44 : x - Step 2: Convert to fraction form
88,774.40/122,509.34 = 48,487.44/x - Step 3: Cross multiply
88,774.40x = 122,509.34 × 48,487.44 - Step 4: Simplify right side
88,774.40x = 5,940,164,272.69 - Step 5: Solve for x
x = 5,940,164,272.69/88,774.40 - Step 6: Final answer
x = 66,913.03
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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.