Finding the Fourth Proportional to 74,537.91, 102,862.67 and 40,546.71
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Solution
The fourth proportional to 74,537.91, 102,862.67 and 40,546.71 is: 55,954.65
Step by Step Solution
- Step 1: Write the proportion equation
74,537.91 : 102,862.67 = 40,546.71 : x - Step 2: Convert to fraction form
74,537.91/102,862.67 = 40,546.71/x - Step 3: Cross multiply
74,537.91x = 102,862.67 × 40,546.71 - Step 4: Simplify right side
74,537.91x = 4,170,742,647.58 - Step 5: Solve for x
x = 4,170,742,647.58/74,537.91 - Step 6: Final answer
x = 55,954.65
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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.