Finding the Fourth Proportional to 76,663.14, 114,995.76 and 24,072.66
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Solution
The fourth proportional to 76,663.14, 114,995.76 and 24,072.66 is: 36,109.32
Step by Step Solution
- Step 1: Write the proportion equation
76,663.14 : 114,995.76 = 24,072.66 : x - Step 2: Convert to fraction form
76,663.14/114,995.76 = 24,072.66/x - Step 3: Cross multiply
76,663.14x = 114,995.76 × 24,072.66 - Step 4: Simplify right side
76,663.14x = 2,768,253,831.92 - Step 5: Solve for x
x = 2,768,253,831.92/76,663.14 - Step 6: Final answer
x = 36,109.32
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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.