Finding the Fourth Proportional to 75,697.74, 104,462.94 and 43,885.08
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Solution
The fourth proportional to 75,697.74, 104,462.94 and 43,885.08 is: 60,561.44
Step by Step Solution
- Step 1: Write the proportion equation
75,697.74 : 104,462.94 = 43,885.08 : x - Step 2: Convert to fraction form
75,697.74/104,462.94 = 43,885.08/x - Step 3: Cross multiply
75,697.74x = 104,462.94 × 43,885.08 - Step 4: Simplify right side
75,697.74x = 4,584,364,478.94 - Step 5: Solve for x
x = 4,584,364,478.94/75,697.74 - Step 6: Final answer
x = 60,561.44
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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.