Finding the Fourth Proportional to 106,009.21, 159,013.41 and 37,671.13
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Solution
The fourth proportional to 106,009.21, 159,013.41 and 37,671.13 is: 56,506.55
Step by Step Solution
- Step 1: Write the proportion equation
106,009.21 : 159,013.41 = 37,671.13 : x - Step 2: Convert to fraction form
106,009.21/159,013.41 = 37,671.13/x - Step 3: Cross multiply
106,009.21x = 159,013.41 × 37,671.13 - Step 4: Simplify right side
106,009.21x = 5,990,214,839.85 - Step 5: Solve for x
x = 5,990,214,839.85/106,009.21 - Step 6: Final answer
x = 56,506.55
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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.