Finding the Fourth Proportional to 75,642.14, 104,400.16 and 43,811.03
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Solution
The fourth proportional to 75,642.14, 104,400.16 and 43,811.03 is: 60,467.33
Step by Step Solution
- Step 1: Write the proportion equation
75,642.14 : 104,400.16 = 43,811.03 : x - Step 2: Convert to fraction form
75,642.14/104,400.16 = 43,811.03/x - Step 3: Cross multiply
75,642.14x = 104,400.16 × 43,811.03 - Step 4: Simplify right side
75,642.14x = 4,573,878,322.71 - Step 5: Solve for x
x = 4,573,878,322.71/75,642.14 - Step 6: Final answer
x = 60,467.33
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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.