Finding the Fourth Proportional to 74,347.16, 111,542.58 and 29,951.08
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Solution
The fourth proportional to 74,347.16, 111,542.58 and 29,951.08 is: 44,935.42
Step by Step Solution
- Step 1: Write the proportion equation
74,347.16 : 111,542.58 = 29,951.08 : x - Step 2: Convert to fraction form
74,347.16/111,542.58 = 29,951.08/x - Step 3: Cross multiply
74,347.16x = 111,542.58 × 29,951.08 - Step 4: Simplify right side
74,347.16x = 3,340,820,736.99 - Step 5: Solve for x
x = 3,340,820,736.99/74,347.16 - Step 6: Final answer
x = 44,935.42
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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.