Finding the Fourth Proportional to 76,389.80, 114,584.70 and 32,004.68
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Solution
The fourth proportional to 76,389.80, 114,584.70 and 32,004.68 is: 48,007.02
Step by Step Solution
- Step 1: Write the proportion equation
76,389.80 : 114,584.70 = 32,004.68 : x - Step 2: Convert to fraction form
76,389.80/114,584.70 = 32,004.68/x - Step 3: Cross multiply
76,389.80x = 114,584.70 × 32,004.68 - Step 4: Simplify right side
76,389.80x = 3,667,246,656.40 - Step 5: Solve for x
x = 3,667,246,656.40/76,389.80 - Step 6: Final answer
x = 48,007.02
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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.