Finding the Fourth Proportional to 75,964.58, 104,830.69 and 41,973.08
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Solution
The fourth proportional to 75,964.58, 104,830.69 and 41,973.08 is: 57,922.61
Step by Step Solution
- Step 1: Write the proportion equation
75,964.58 : 104,830.69 = 41,973.08 : x - Step 2: Convert to fraction form
75,964.58/104,830.69 = 41,973.08/x - Step 3: Cross multiply
75,964.58x = 104,830.69 × 41,973.08 - Step 4: Simplify right side
75,964.58x = 4,400,066,308.74 - Step 5: Solve for x
x = 4,400,066,308.74/75,964.58 - Step 6: Final answer
x = 57,922.61
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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.