Finding the Fourth Proportional to 112,066.68, 154,652.08 and 61,079.44
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Solution
The fourth proportional to 112,066.68, 154,652.08 and 61,079.44 is: 84,289.66
Step by Step Solution
- Step 1: Write the proportion equation
112,066.68 : 154,652.08 = 61,079.44 : x - Step 2: Convert to fraction form
112,066.68/154,652.08 = 61,079.44/x - Step 3: Cross multiply
112,066.68x = 154,652.08 × 61,079.44 - Step 4: Simplify right side
112,066.68x = 9,446,062,441.24 - Step 5: Solve for x
x = 9,446,062,441.24/112,066.68 - Step 6: Final answer
x = 84,289.66
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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.