Finding the Fourth Proportional to 76,068.99, 113,954.45 and 36,009.63
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Solution
The fourth proportional to 76,068.99, 113,954.45 and 36,009.63 is: 53,943.89
Step by Step Solution
- Step 1: Write the proportion equation
76,068.99 : 113,954.45 = 36,009.63 : x - Step 2: Convert to fraction form
76,068.99/113,954.45 = 36,009.63/x - Step 3: Cross multiply
76,068.99x = 113,954.45 × 36,009.63 - Step 4: Simplify right side
76,068.99x = 4,103,457,401.31 - Step 5: Solve for x
x = 4,103,457,401.31/76,068.99 - Step 6: Final answer
x = 53,943.89
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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.