Finding the Fourth Proportional to 97,028.70, 133,893.99 and 54,584.70
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Solution
The fourth proportional to 97,028.70, 133,893.99 and 54,584.70 is: 75,323.73
Step by Step Solution
- Step 1: Write the proportion equation
97,028.70 : 133,893.99 = 54,584.70 : x - Step 2: Convert to fraction form
97,028.70/133,893.99 = 54,584.70/x - Step 3: Cross multiply
97,028.70x = 133,893.99 × 54,584.70 - Step 4: Simplify right side
97,028.70x = 7,308,563,275.95 - Step 5: Solve for x
x = 7,308,563,275.95/97,028.70 - Step 6: Final answer
x = 75,323.73
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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.