Finding the Fourth Proportional to 88,968.02, 122,777.40 and 48,685.30
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Solution
The fourth proportional to 88,968.02, 122,777.40 and 48,685.30 is: 67,186.55
Step by Step Solution
- Step 1: Write the proportion equation
88,968.02 : 122,777.40 = 48,685.30 : x - Step 2: Convert to fraction form
88,968.02/122,777.40 = 48,685.30/x - Step 3: Cross multiply
88,968.02x = 122,777.40 × 48,685.30 - Step 4: Simplify right side
88,968.02x = 5,977,454,552.22 - Step 5: Solve for x
x = 5,977,454,552.22/88,968.02 - Step 6: Final answer
x = 67,186.55
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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.