Finding the Fourth Proportional to 75,438.14, 104,104.65 and 41,448.80
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Solution
The fourth proportional to 75,438.14, 104,104.65 and 41,448.80 is: 57,199.35
Step by Step Solution
- Step 1: Write the proportion equation
75,438.14 : 104,104.65 = 41,448.80 : x - Step 2: Convert to fraction form
75,438.14/104,104.65 = 41,448.80/x - Step 3: Cross multiply
75,438.14x = 104,104.65 × 41,448.80 - Step 4: Simplify right side
75,438.14x = 4,315,012,296.40 - Step 5: Solve for x
x = 4,315,012,296.40/75,438.14 - Step 6: Final answer
x = 57,199.35
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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.