Finding the Fourth Proportional to 75,604.71, 104,291.04 and 47,261.19
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Solution
The fourth proportional to 75,604.71, 104,291.04 and 47,261.19 is: 65,193.28
Step by Step Solution
- Step 1: Write the proportion equation
75,604.71 : 104,291.04 = 47,261.19 : x - Step 2: Convert to fraction form
75,604.71/104,291.04 = 47,261.19/x - Step 3: Cross multiply
75,604.71x = 104,291.04 × 47,261.19 - Step 4: Simplify right side
75,604.71x = 4,928,918,656.74 - Step 5: Solve for x
x = 4,928,918,656.74/75,604.71 - Step 6: Final answer
x = 65,193.28
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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.