Finding the Fourth Proportional to 122,526.11, 169,089.84 and 68,812.29
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Solution
The fourth proportional to 122,526.11, 169,089.84 and 68,812.29 is: 94,963.10
Step by Step Solution
- Step 1: Write the proportion equation
122,526.11 : 169,089.84 = 68,812.29 : x - Step 2: Convert to fraction form
122,526.11/169,089.84 = 68,812.29/x - Step 3: Cross multiply
122,526.11x = 169,089.84 × 68,812.29 - Step 4: Simplify right side
122,526.11x = 11,635,459,106.13 - Step 5: Solve for x
x = 11,635,459,106.13/122,526.11 - Step 6: Final answer
x = 94,963.10
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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.