Finding the Fourth Proportional to 81,801.21, 122,702.06 and 24,875.63
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Solution
The fourth proportional to 81,801.21, 122,702.06 and 24,875.63 is: 37,313.52
Step by Step Solution
- Step 1: Write the proportion equation
81,801.21 : 122,702.06 = 24,875.63 : x - Step 2: Convert to fraction form
81,801.21/122,702.06 = 24,875.63/x - Step 3: Cross multiply
81,801.21x = 122,702.06 × 24,875.63 - Step 4: Simplify right side
81,801.21x = 3,052,291,044.80 - Step 5: Solve for x
x = 3,052,291,044.80/81,801.21 - Step 6: Final answer
x = 37,313.52
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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.