Finding the Fourth Proportional to 88,969.23, 122,777.54 and 48,682.99
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Solution
The fourth proportional to 88,969.23, 122,777.54 and 48,682.99 is: 67,182.52
Step by Step Solution
- Step 1: Write the proportion equation
88,969.23 : 122,777.54 = 48,682.99 : x - Step 2: Convert to fraction form
88,969.23/122,777.54 = 48,682.99/x - Step 3: Cross multiply
88,969.23x = 122,777.54 × 48,682.99 - Step 4: Simplify right side
88,969.23x = 5,977,177,201.69 - Step 5: Solve for x
x = 5,977,177,201.69/88,969.23 - Step 6: Final answer
x = 67,182.52
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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.