Finding the Fourth Proportional to 77,117.74, 115,684.81 and 24,514.92
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Solution
The fourth proportional to 77,117.74, 115,684.81 and 24,514.92 is: 36,774.99
Step by Step Solution
- Step 1: Write the proportion equation
77,117.74 : 115,684.81 = 24,514.92 : x - Step 2: Convert to fraction form
77,117.74/115,684.81 = 24,514.92/x - Step 3: Cross multiply
77,117.74x = 115,684.81 × 24,514.92 - Step 4: Simplify right side
77,117.74x = 2,836,003,801.08 - Step 5: Solve for x
x = 2,836,003,801.08/77,117.74 - Step 6: Final answer
x = 36,774.99
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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.