Finding the Fourth Proportional to 76,495.46, 114,497.49 and 40,867.70
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Solution
The fourth proportional to 76,495.46, 114,497.49 and 40,867.70 is: 61,170.28
Step by Step Solution
- Step 1: Write the proportion equation
76,495.46 : 114,497.49 = 40,867.70 : x - Step 2: Convert to fraction form
76,495.46/114,497.49 = 40,867.70/x - Step 3: Cross multiply
76,495.46x = 114,497.49 × 40,867.70 - Step 4: Simplify right side
76,495.46x = 4,679,249,072.07 - Step 5: Solve for x
x = 4,679,249,072.07/76,495.46 - Step 6: Final answer
x = 61,170.28
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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.