Finding the Fourth Proportional to 71,569.70, 107,135.85 and 71,569.70
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Solution
The fourth proportional to 71,569.70, 107,135.85 and 71,569.70 is: 107,135.85
Step by Step Solution
- Step 1: Write the proportion equation
71,569.70 : 107,135.85 = 71,569.70 : x - Step 2: Convert to fraction form
71,569.70/107,135.85 = 71,569.70/x - Step 3: Cross multiply
71,569.70x = 107,135.85 × 71,569.70 - Step 4: Simplify right side
71,569.70x = 7,667,680,643.75 - Step 5: Solve for x
x = 7,667,680,643.75/71,569.70 - Step 6: Final answer
x = 107,135.85
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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.