Finding the Fourth Proportional to 93,558.24, 129,141.14 and 74,473.02
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Solution
The fourth proportional to 93,558.24, 129,141.14 and 74,473.02 is: 102,797.26
Step by Step Solution
- Step 1: Write the proportion equation
93,558.24 : 129,141.14 = 74,473.02 : x - Step 2: Convert to fraction form
93,558.24/129,141.14 = 74,473.02/x - Step 3: Cross multiply
93,558.24x = 129,141.14 × 74,473.02 - Step 4: Simplify right side
93,558.24x = 9,617,530,329.68 - Step 5: Solve for x
x = 9,617,530,329.68/93,558.24 - Step 6: Final answer
x = 102,797.26
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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.