Finding the Fourth Proportional to 98,579.67, 147,831.12 and 32,003.70
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Solution
The fourth proportional to 98,579.67, 147,831.12 and 32,003.70 is: 47,993.09
Step by Step Solution
- Step 1: Write the proportion equation
98,579.67 : 147,831.12 = 32,003.70 : x - Step 2: Convert to fraction form
98,579.67/147,831.12 = 32,003.70/x - Step 3: Cross multiply
98,579.67x = 147,831.12 × 32,003.70 - Step 4: Simplify right side
98,579.67x = 4,731,142,815.14 - Step 5: Solve for x
x = 4,731,142,815.14/98,579.67 - Step 6: Final answer
x = 47,993.09
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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.