Finding the Fourth Proportional to 75,919.40, 104,781.59 and 44,106.75
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Solution
The fourth proportional to 75,919.40, 104,781.59 and 44,106.75 is: 60,874.76
Step by Step Solution
- Step 1: Write the proportion equation
75,919.40 : 104,781.59 = 44,106.75 : x - Step 2: Convert to fraction form
75,919.40/104,781.59 = 44,106.75/x - Step 3: Cross multiply
75,919.40x = 104,781.59 × 44,106.75 - Step 4: Simplify right side
75,919.40x = 4,621,575,394.73 - Step 5: Solve for x
x = 4,621,575,394.73/75,919.40 - Step 6: Final answer
x = 60,874.76
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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.