Finding the Fourth Proportional to 81,726.03, 122,528.16 and 34,354.98
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Solution
The fourth proportional to 81,726.03, 122,528.16 and 34,354.98 is: 51,506.88
Step by Step Solution
- Step 1: Write the proportion equation
81,726.03 : 122,528.16 = 34,354.98 : x - Step 2: Convert to fraction form
81,726.03/122,528.16 = 34,354.98/x - Step 3: Cross multiply
81,726.03x = 122,528.16 × 34,354.98 - Step 4: Simplify right side
81,726.03x = 4,209,452,486.24 - Step 5: Solve for x
x = 4,209,452,486.24/81,726.03 - Step 6: Final answer
x = 51,506.88
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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.