Finding the Fourth Proportional to 93,560.24, 129,143.90 and 74,475.02
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Solution
The fourth proportional to 93,560.24, 129,143.90 and 74,475.02 is: 102,800.02
Step by Step Solution
- Step 1: Write the proportion equation
93,560.24 : 129,143.90 = 74,475.02 : x - Step 2: Convert to fraction form
93,560.24/129,143.90 = 74,475.02/x - Step 3: Cross multiply
93,560.24x = 129,143.90 × 74,475.02 - Step 4: Simplify right side
93,560.24x = 9,617,994,535.38 - Step 5: Solve for x
x = 9,617,994,535.38/93,560.24 - Step 6: Final answer
x = 102,800.02
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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.