Finding the Fourth Proportional to 89,113.37, 133,690.70 and 25,934.99
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Solution
The fourth proportional to 89,113.37, 133,690.70 and 25,934.99 is: 38,908.49
Step by Step Solution
- Step 1: Write the proportion equation
89,113.37 : 133,690.70 = 25,934.99 : x - Step 2: Convert to fraction form
89,113.37/133,690.70 = 25,934.99/x - Step 3: Cross multiply
89,113.37x = 133,690.70 × 25,934.99 - Step 4: Simplify right side
89,113.37x = 3,467,266,363.98 - Step 5: Solve for x
x = 3,467,266,363.98/89,113.37 - Step 6: Final answer
x = 38,908.49
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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.