Finding the Fourth Proportional to 74,113.14, 111,107.46 and 60,038.28
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Solution
The fourth proportional to 74,113.14, 111,107.46 and 60,038.28 is: 90,006.99
Step by Step Solution
- Step 1: Write the proportion equation
74,113.14 : 111,107.46 = 60,038.28 : x - Step 2: Convert to fraction form
74,113.14/111,107.46 = 60,038.28/x - Step 3: Cross multiply
74,113.14x = 111,107.46 × 60,038.28 - Step 4: Simplify right side
74,113.14x = 6,670,700,793.57 - Step 5: Solve for x
x = 6,670,700,793.57/74,113.14 - Step 6: Final answer
x = 90,006.99
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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.