Finding the Fourth Proportional to 97,812.37, 134,984.28 and 55,369.99
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Solution
The fourth proportional to 97,812.37, 134,984.28 and 55,369.99 is: 76,412.40
Step by Step Solution
- Step 1: Write the proportion equation
97,812.37 : 134,984.28 = 55,369.99 : x - Step 2: Convert to fraction form
97,812.37/134,984.28 = 55,369.99/x - Step 3: Cross multiply
97,812.37x = 134,984.28 × 55,369.99 - Step 4: Simplify right side
97,812.37x = 7,474,078,233.76 - Step 5: Solve for x
x = 7,474,078,233.76/97,812.37 - Step 6: Final answer
x = 76,412.40
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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.