Finding the Fourth Proportional to 97,812.22, 134,981.42 and 57,527.68
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Solution
The fourth proportional to 97,812.22, 134,981.42 and 57,527.68 is: 79,388.53
Step by Step Solution
- Step 1: Write the proportion equation
97,812.22 : 134,981.42 = 57,527.68 : x - Step 2: Convert to fraction form
97,812.22/134,981.42 = 57,527.68/x - Step 3: Cross multiply
97,812.22x = 134,981.42 × 57,527.68 - Step 4: Simplify right side
97,812.22x = 7,765,167,935.71 - Step 5: Solve for x
x = 7,765,167,935.71/97,812.22 - Step 6: Final answer
x = 79,388.53
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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.