Finding the Fourth Proportional to 74,334.24, 102,556.13 and 42,480.45
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Solution
The fourth proportional to 74,334.24, 102,556.13 and 42,480.45 is: 58,608.66
Step by Step Solution
- Step 1: Write the proportion equation
74,334.24 : 102,556.13 = 42,480.45 : x - Step 2: Convert to fraction form
74,334.24/102,556.13 = 42,480.45/x - Step 3: Cross multiply
74,334.24x = 102,556.13 × 42,480.45 - Step 4: Simplify right side
74,334.24x = 4,356,630,340.26 - Step 5: Solve for x
x = 4,356,630,340.26/74,334.24 - Step 6: Final answer
x = 58,608.66
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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.