Finding the Fourth Proportional to 89,017.68, 122,843.88 and 48,181.76
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Solution
The fourth proportional to 89,017.68, 122,843.88 and 48,181.76 is: 66,490.55
Step by Step Solution
- Step 1: Write the proportion equation
89,017.68 : 122,843.88 = 48,181.76 : x - Step 2: Convert to fraction form
89,017.68/122,843.88 = 48,181.76/x - Step 3: Cross multiply
89,017.68x = 122,843.88 × 48,181.76 - Step 4: Simplify right side
89,017.68x = 5,918,834,343.63 - Step 5: Solve for x
x = 5,918,834,343.63/89,017.68 - Step 6: Final answer
x = 66,490.55
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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.