Finding the Fourth Proportional to 88,406.08, 122,003.12 and 48,122.55
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Solution
The fourth proportional to 88,406.08, 122,003.12 and 48,122.55 is: 66,410.61
Step by Step Solution
- Step 1: Write the proportion equation
88,406.08 : 122,003.12 = 48,122.55 : x - Step 2: Convert to fraction form
88,406.08/122,003.12 = 48,122.55/x - Step 3: Cross multiply
88,406.08x = 122,003.12 × 48,122.55 - Step 4: Simplify right side
88,406.08x = 5,871,101,362.66 - Step 5: Solve for x
x = 5,871,101,362.66/88,406.08 - Step 6: Final answer
x = 66,410.61
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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.