Finding the Fourth Proportional to 93,107.19, 139,619.79 and 26,532.21
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Solution
The fourth proportional to 93,107.19, 139,619.79 and 26,532.21 is: 39,786.63
Step by Step Solution
- Step 1: Write the proportion equation
93,107.19 : 139,619.79 = 26,532.21 : x - Step 2: Convert to fraction form
93,107.19/139,619.79 = 26,532.21/x - Step 3: Cross multiply
93,107.19x = 139,619.79 × 26,532.21 - Step 4: Simplify right side
93,107.19x = 3,704,421,588.44 - Step 5: Solve for x
x = 3,704,421,588.44/93,107.19 - Step 6: Final answer
x = 39,786.63
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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.