Finding the Fourth Proportional to 97,035.76, 133,897.68 and 54,004.49
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Solution
The fourth proportional to 97,035.76, 133,897.68 and 54,004.49 is: 74,519.70
Step by Step Solution
- Step 1: Write the proportion equation
97,035.76 : 133,897.68 = 54,004.49 : x - Step 2: Convert to fraction form
97,035.76/133,897.68 = 54,004.49/x - Step 3: Cross multiply
97,035.76x = 133,897.68 × 54,004.49 - Step 4: Simplify right side
97,035.76x = 7,231,075,251.09 - Step 5: Solve for x
x = 7,231,075,251.09/97,035.76 - Step 6: Final answer
x = 74,519.70
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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.