Finding the Fourth Proportional to 76,897.26, 115,275.42 and 26,950.13
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Solution
The fourth proportional to 76,897.26, 115,275.42 and 26,950.13 is: 40,400.50
Step by Step Solution
- Step 1: Write the proportion equation
76,897.26 : 115,275.42 = 26,950.13 : x - Step 2: Convert to fraction form
76,897.26/115,275.42 = 26,950.13/x - Step 3: Cross multiply
76,897.26x = 115,275.42 × 26,950.13 - Step 4: Simplify right side
76,897.26x = 3,106,687,410.71 - Step 5: Solve for x
x = 3,106,687,410.71/76,897.26 - Step 6: Final answer
x = 40,400.50
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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.