Finding the Fourth Proportional to 89,028.14, 122,860.26 and 48,741.21
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Solution
The fourth proportional to 89,028.14, 122,860.26 and 48,741.21 is: 67,263.65
Step by Step Solution
- Step 1: Write the proportion equation
89,028.14 : 122,860.26 = 48,741.21 : x - Step 2: Convert to fraction form
89,028.14/122,860.26 = 48,741.21/x - Step 3: Cross multiply
89,028.14x = 122,860.26 × 48,741.21 - Step 4: Simplify right side
89,028.14x = 5,988,357,733.31 - Step 5: Solve for x
x = 5,988,357,733.31/89,028.14 - Step 6: Final answer
x = 67,263.65
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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.