Finding the Fourth Proportional to 89,119.19, 122,984.51 and 48,832.62
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Solution
The fourth proportional to 89,119.19, 122,984.51 and 48,832.62 is: 67,389.03
Step by Step Solution
- Step 1: Write the proportion equation
89,119.19 : 122,984.51 = 48,832.62 : x - Step 2: Convert to fraction form
89,119.19/122,984.51 = 48,832.62/x - Step 3: Cross multiply
89,119.19x = 122,984.51 × 48,832.62 - Step 4: Simplify right side
89,119.19x = 6,005,655,598.55 - Step 5: Solve for x
x = 6,005,655,598.55/89,119.19 - Step 6: Final answer
x = 67,389.03
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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.