Finding the Fourth Proportional to 77,868.99, 116,877.33 and 48,197.07
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Solution
The fourth proportional to 77,868.99, 116,877.33 and 48,197.07 is: 72,341.31
Step by Step Solution
- Step 1: Write the proportion equation
77,868.99 : 116,877.33 = 48,197.07 : x - Step 2: Convert to fraction form
77,868.99/116,877.33 = 48,197.07/x - Step 3: Cross multiply
77,868.99x = 116,877.33 × 48,197.07 - Step 4: Simplify right side
77,868.99x = 5,633,144,855.42 - Step 5: Solve for x
x = 5,633,144,855.42/77,868.99 - Step 6: Final answer
x = 72,341.31
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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.