Finding the Fourth Proportional to 74,135.80, 111,203.34 and 24,887.80
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Solution
The fourth proportional to 74,135.80, 111,203.34 and 24,887.80 is: 37,331.58
Step by Step Solution
- Step 1: Write the proportion equation
74,135.80 : 111,203.34 = 24,887.80 : x - Step 2: Convert to fraction form
74,135.80/111,203.34 = 24,887.80/x - Step 3: Cross multiply
74,135.80x = 111,203.34 × 24,887.80 - Step 4: Simplify right side
74,135.80x = 2,767,606,485.25 - Step 5: Solve for x
x = 2,767,606,485.25/74,135.80 - Step 6: Final answer
x = 37,331.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.