Finding the Fourth Proportional to 89,110.08, 122,968.14 and 53,278.92
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Solution
The fourth proportional to 89,110.08, 122,968.14 and 53,278.92 is: 73,522.66
Step by Step Solution
- Step 1: Write the proportion equation
89,110.08 : 122,968.14 = 53,278.92 : x - Step 2: Convert to fraction form
89,110.08/122,968.14 = 53,278.92/x - Step 3: Cross multiply
89,110.08x = 122,968.14 × 53,278.92 - Step 4: Simplify right side
89,110.08x = 6,551,609,693.61 - Step 5: Solve for x
x = 6,551,609,693.61/89,110.08 - Step 6: Final answer
x = 73,522.66
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1.5x scale
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.