Finding the Fourth Proportional to 93,936.56, 129,631.59 and 51,494.99
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Solution
The fourth proportional to 93,936.56, 129,631.59 and 51,494.99 is: 71,062.61
Step by Step Solution
- Step 1: Write the proportion equation
93,936.56 : 129,631.59 = 51,494.99 : x - Step 2: Convert to fraction form
93,936.56/129,631.59 = 51,494.99/x - Step 3: Cross multiply
93,936.56x = 129,631.59 × 51,494.99 - Step 4: Simplify right side
93,936.56x = 6,675,376,782.58 - Step 5: Solve for x
x = 6,675,376,782.58/93,936.56 - Step 6: Final answer
x = 71,062.61
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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.