Finding the Fourth Proportional to 93,997.44, 129,721.68 and 55,759.68
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Solution
The fourth proportional to 93,997.44, 129,721.68 and 55,759.68 is: 76,951.45
Step by Step Solution
- Step 1: Write the proportion equation
93,997.44 : 129,721.68 = 55,759.68 : x - Step 2: Convert to fraction form
93,997.44/129,721.68 = 55,759.68/x - Step 3: Cross multiply
93,997.44x = 129,721.68 × 55,759.68 - Step 4: Simplify right side
93,997.44x = 7,233,239,365.86 - Step 5: Solve for x
x = 7,233,239,365.86/93,997.44 - Step 6: Final answer
x = 76,951.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.